55,890
55,890 is a composite number, even.
55,890 (fifty-five thousand eight hundred ninety) is an even 5-digit number. It is a composite number with 48 divisors, and factors as 2 × 3⁵ × 5 × 23. Its proper divisors sum to 101,358, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xDA52.
Interestingness
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 27
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 9,855
- Recamán's sequence
- a(292,040) = 55,890
- Square (n²)
- 3,123,692,100
- Cube (n³)
- 174,583,151,469,000
- Divisor count
- 48
- σ(n) — sum of divisors
- 157,248
- φ(n) — Euler's totient
- 14,256
- Sum of prime factors
- 45
Primality
Prime factorization: 2 × 3 5 × 5 × 23
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√55,890 = [236; (2, 2, 3, 2, 1, 5, 7, 10, 7, 5, 1, 2, 3, 2, 2, 472)]
Period length 16 — the block in parentheses repeats forever.
Representations
- In words
- fifty-five thousand eight hundred ninety
- Ordinal
- 55890th
- Binary
- 1101101001010010
- Octal
- 155122
- Hexadecimal
- 0xDA52
- Base64
- 2lI=
- One's complement
- 9,645 (16-bit)
- Scientific notation
- 5.589 × 10⁴
- As a duration
- 55,890 s = 15 hours, 31 minutes, 30 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹 𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵νεωϟʹ
- Mayan (base 20)
- 𝋦·𝋳·𝋮·𝋪
- Chinese
- 五萬五千八百九十
- Chinese (financial)
- 伍萬伍仟捌佰玖拾
Digit at this position in famous constants
- π — Pi (π)
- Digit 55,890 = 0
- e — Euler's number (e)
- Digit 55,890 = 6
- φ — Golden ratio (φ)
- Digit 55,890 = 0
- √2 — Pythagoras's (√2)
- Digit 55,890 = 4
- ln 2 — Natural log of 2
- Digit 55,890 = 1
- γ — Euler-Mascheroni (γ)
- Digit 55,890 = 1
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 55890, here are decompositions:
- 19 + 55871 = 55890
- 41 + 55849 = 55890
- 47 + 55843 = 55890
- 53 + 55837 = 55890
- 61 + 55829 = 55890
- 67 + 55823 = 55890
- 71 + 55819 = 55890
- 73 + 55817 = 55890
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.0.218.82.
- Address
- 0.0.218.82
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.218.82
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 55890 first appears in π at position 9,033 of the decimal expansion (the 9,033ordinal-suffix:rd digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.