55,664
55,664 is a composite number, even.
55,664 (fifty-five thousand six hundred sixty-four) is an even 5-digit number. It is a composite number with 30 divisors, and factors as 2⁴ × 7² × 71. Its proper divisors sum to 71,560, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xD970.
Interestingness
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 26
- Digit product
- 3,600
- Digital root
- 8
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 46,655
- Recamán's sequence
- a(140,227) = 55,664
- Square (n²)
- 3,098,480,896
- Cube (n³)
- 172,473,840,594,944
- Divisor count
- 30
- σ(n) — sum of divisors
- 127,224
- φ(n) — Euler's totient
- 23,520
- Sum of prime factors
- 93
Primality
Prime factorization: 2 4 × 7 2 × 71
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√55,664 = [235; (1, 13, 1, 2, 1, 28, 1, 2, 1, 13, 1, 470)]
Period length 12 — the block in parentheses repeats forever.
Representations
- In words
- fifty-five thousand six hundred sixty-four
- Ordinal
- 55664th
- Binary
- 1101100101110000
- Octal
- 154560
- Hexadecimal
- 0xD970
- Base64
- 2XA=
- One's complement
- 9,871 (16-bit)
- Scientific notation
- 5.5664 × 10⁴
- As a duration
- 55,664 s = 15 hours, 27 minutes, 44 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵νεχξδʹ
- Mayan (base 20)
- 𝋦·𝋳·𝋣·𝋤
- Chinese
- 五萬五千六百六十四
- Chinese (financial)
- 伍萬伍仟陸佰陸拾肆
Digit at this position in famous constants
- π — Pi (π)
- Digit 55,664 = 5
- e — Euler's number (e)
- Digit 55,664 = 6
- φ — Golden ratio (φ)
- Digit 55,664 = 0
- √2 — Pythagoras's (√2)
- Digit 55,664 = 0
- ln 2 — Natural log of 2
- Digit 55,664 = 5
- γ — Euler-Mascheroni (γ)
- Digit 55,664 = 0
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 55664, here are decompositions:
- 3 + 55661 = 55664
- 31 + 55633 = 55664
- 43 + 55621 = 55664
- 61 + 55603 = 55664
- 163 + 55501 = 55664
- 223 + 55441 = 55664
- 283 + 55381 = 55664
- 313 + 55351 = 55664
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.0.217.112.
- Address
- 0.0.217.112
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.217.112
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 55664 first appears in π at position 17,843 of the decimal expansion (the 17,843ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.