| Nominal | 5591 |
| Cardinal | five thousand five hundred ninety-one |
Cardinal five thousand five hundred ninety-one | |
| Ordinal | 5,591st |
| Number of digits | 4 |
| Sum of digits | 20 |
| Product of digits | 225 |
| Number parity | Odd |
| Prime factorization | 5591 |
| Prime factors | 5591 |
| Number of distinct prime factors ω(n) | 1 |
| Total number of prime factors Ω(n) | 1 |
| Sum of prime factors | 5591 |
| Product of prime factors | 5591 |
| Is 5591 a prime number? | Yes |
| Is 5591 a semiprime number? | No |
| Is 5591 a Chen prime number? | No |
| Is 5591 a Mersenne prime number? | No |
| Is 5591 a Catalan number? | No |
| Is 5591 a Fibonacci number? | No |
| Is 5591 a Idoneal number? | No |
| Square of 5591 (n2) | 31259281 |
| Cube of 5591 (n3) | 174770640071 |
| Square root of 5591 | 74.77298977572 |
| Natural Logarithm (ln) of 5591 | 8.6289134410266 |
| Decimal Logarithm (log) of 5591 | 3.7474894922587 |
| Sine of 5591 | -0.85982324247227 |
| Cosecant of 5591 | -1.1630297375129 |
| Cosine of 5591 | 0.51059180536361 |
| Secant of 5591 | 1.9585116515684 |
| Tangent of 5591 | -1.6839738386713 |
| Cotangent of 5591 | -0.59383345336827 |
| The spelling of 5591 in words is "five thousand five hundred ninety-one", meaning that: |
| 5591 is not an aban number (as it contains the letter a) |
| 5591 is not an eban number (as it contains the letter e) |
| 5591 is not an iban number (as it contains the letter i) |
| 5591 is not an oban number (as it contains the letter o) |
| 5591 is not a tban number (as it contains the letter t) |
| 5591 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৫৫৯১ |
| Eastern Arabic numerals | ٥٬٥٩١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓆼𓆼𓆼𓆼𓆼𓍦𓎎𓏺 |
| Khmer numerals | ៥៥៩១ |
| Japanese numerals | 五千五百九十一 |
| Roman numerals | n/a |
| Thai numerals | ๕๕๙๑ |
| Arabic | خمسة آلاف و خمسة مائة و واحد و تسعون |
| Croatian | pet tisuća petsto devedeset i jedan |
| Czech | pět tisíc pět set devadesát jeden |
| Danish | fem tusinde fem hundrede en og halvfems |
| Dutch | vijfduizend vijfhonderdéénennegentig |
| Estonian | akpe atɔ̃ alafa atɔ̃ blaasieke vɔ ɖekɛ |
| Faroese | fimm tusin og fimmhundraðognítiein |
| Filipino | limáng libó’t limáng daán at siyám na pû’t isá |
| Finnish | viisituhattaviisisataayhdeksänkymmentäyksi |
| French | cinq mille cinq cent quatre-vingt-onze |
| Greek | πέντε χίλιάδες πεντακόσια εννενήντα ένα |
| German | fünftausendfünfhunderteinundneunzig |
| Hebrew | חמשת אלפים חמש מאות תשעים ואחת |
| Hindi | पाँच हज़ार पाँच सौ इक्यानबे |
| Hungarian | ötezerötszázkilencvenegy |
| Icelandic | fimm þúsund og fimmhundrað og níutíu og einn |
| Indonesian | lima ribu lima ratus sembilan puluh satu |
| Italian | cinquemilacinquecentonovantuno |
| Japanese | 五千五百九十一 |
| Korean | 오천오백구십일 |
| Latvian | piectūkstoš piecsimt deviņdesmit viens |
| Lithuanian | penki tūkstančiai penki šimtai devyniasdešimt vienas |
| Norwegian | fem tusen fem hundre og nittién |
| Persian | پنج هزار و پانصد و نود و یک |
| Polish | pięć tysięcy pięćset dziewięćdziesiąt jeden |
| Portuguese | cinco mil quinhentos e noventa e um |
| Romanian | cinci mii cinci sute nouăzeci şi unu |
| Russian | пять тысяч пятьсот девяносто один |
| Serbian | пет хиљада петсто деведесет и један |
| Slovak | päť tisíc päťsto deväťdesiatjeden |
| Slovene | pet tisuću petsto devetdeset ena |
| Spanish | cinco mil quinientos noventa y uno |
| Swahili | elfu tano, mia tano na tisini na moja |
| Swedish | femtusenfemhundranittioen |
| Thai | ห้าพันห้าร้อยเก้าสิบเอ็ด |
| Turkish | beş bin beş yüz doksan bir |
| Ukrainian | пʼять тисяч пʼятсот девʼяносто один |
| Vietnamese | năm nghìn năm trăm chín mươi mốt |
| Number 5591 reversed | 1955 | |
| Unicode Character | U+15D7 | ᗗ |
| Unix Timestamp | Thu, 01 Jan 1970 01:33:11 +0000 | |