| Nominal | 55121 |
| Cardinal | fifty-five thousand one hundred twenty-one |
Cardinal fifty-five thousand one hundred twenty-one | |
| Ordinal | 55,121st |
| Number of digits | 5 |
| Sum of digits | 14 |
| Product of digits | 50 |
| Number parity | Odd |
| Prime factorization | 11 x 5011 |
| Prime factors | 11, 5011 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 5022 |
| Product of prime factors | 55121 |
| Is 55121 a prime number? | No |
| Is 55121 a semiprime number? | Yes |
| Is 55121 a Chen prime number? | No |
| Is 55121 a Mersenne prime number? | No |
| Is 55121 a Catalan number? | No |
| Is 55121 a Fibonacci number? | No |
| Is 55121 a Idoneal number? | No |
| Square of 55121 (n2) | 3038324641 |
| Cube of 55121 (n3) | 167475492536561 |
| Square root of 55121 | 234.77861912874 |
| Natural Logarithm (ln) of 55121 | 10.917286047758 |
| Decimal Logarithm (log) of 55121 | 4.7413170879007 |
| Sine of 55121 | -0.98273397344769 |
| Cosecant of 55121 | -1.0175693799327 |
| Cosine of 55121 | 0.18502415364412 |
| Secant of 55121 | 5.4046997665148 |
| Tangent of 55121 | -5.3113820768389 |
| Cotangent of 55121 | -0.18827491329623 |
| The spelling of 55121 in words is "fifty-five thousand one hundred twenty-one", meaning that: |
| 55121 is not an aban number (as it contains the letter a) |
| 55121 is not an eban number (as it contains the letter e) |
| 55121 is not an iban number (as it contains the letter i) |
| 55121 is not an oban number (as it contains the letter o) |
| 55121 is not a tban number (as it contains the letter t) |
| 55121 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৫৫১২১ |
| Eastern Arabic numerals | ٥٥٬١٢١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓂭𓂭𓂭𓆼𓆼𓆼𓆼𓆼𓍢𓎇𓏺 |
| Khmer numerals | ៥៥១២១ |
| Japanese numerals | 五万五千百二十一 |
| Roman numerals | n/a |
| Thai numerals | ๕๕๑๒๑ |
| Arabic | خمسة و خمسون ألف و مائة و واحد و عشرون |
| Croatian | pedeset i pet tisuća sto dvadeset i jedan |
| Czech | padesát pět tisíc sto dvacet jeden |
| Danish | fem og halvtreds tusinde et hundrede en og tyve |
| Dutch | vijfenvijftigduizend honderdéénentwintig |
| Estonian | akpe blaatɔ̃ vɔ atɔ̃ alafa ɖeka blaeve vɔ ɖekɛ |
| Faroese | fimmtifimm tusin og eitthundraðogtjúgoein |
| Filipino | limáng pû’t limáng libó’t isáng daán at dalawáng pû’t isá |
| Finnish | viisikymmentäviisituhattasatakaksikymmentäyksi |
| French | cinquante-cinq mille cent vingt et un |
| Greek | πενήντα πέντε χίλιάδες εκατόν είκοσι ένα |
| German | fünfundfünfzigtausendeinhunderteinundzwanzig |
| Hebrew | חמישים וחמישה אלף מאה עשרים ואחת |
| Hindi | पचपन हज़ार एक सौ इक्कीस |
| Hungarian | ötvenötezerszázhuszonegy |
| Icelandic | fimmtíu og fimm þúsund og eitthundrað og tuttugu og einn |
| Indonesian | lima puluh lima ribu seratus dua puluh satu |
| Italian | cinquantacinquemilacentoventuno |
| Japanese | 五万五千百二十一 |
| Korean | 오만 오천백이십일 |
| Latvian | piecdesmit pieci tūkstoši simt divdesmit viens |
| Lithuanian | penkiasdešimt penki tūkstančiai šimtas dvidešimt vienas |
| Norwegian | femtifem tusen hundre og tjueén |
| Persian | پنجاه و پنج هزار و صد و بیست و یک |
| Polish | pięćdziesiąt pięć tysięcy sto dwadzieścia jeden |
| Portuguese | cinquenta e cinco mil cento e vinte e um |
| Romanian | cincizeci şi cinci mii una sută douăzeci şi unu |
| Russian | пятьдесят пять тысяч сто двадцать один |
| Serbian | педесет и пет хиљада сто двадесет и један |
| Slovak | päťdesiatpäť tisíc jednasto dvadsaťjeden |
| Slovene | petdeset pet tisuću sto dvaset ena |
| Spanish | cincuenta y cinco mil ciento veintiuno |
| Swahili | elfu hamsini na tano, mia moja na ishirini na moja |
| Swedish | femtiofemtusenenhundratjugoen |
| Thai | ห้าหมื่นห้าพันหนึ่งร้อยยี่สิบเอ็ด |
| Turkish | elli beş bin yüz yirmi bir |
| Ukrainian | пʼятдесят пʼять тисяч сто двадцять один |
| Vietnamese | năm mươi lăm nghìn một trăm hai mươi mốt |
| Number 55121 reversed | 12155 | |
| Unicode Character | U+D751 | 흑 |
| Unix Timestamp | Thu, 01 Jan 1970 15:18:41 +0000 | |