55,550
55,550 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 5,555
- Recamán's sequence
- a(140,455) = 55,550
- Square (n²)
- 3,085,802,500
- Cube (n³)
- 171,416,328,875,000
- Divisor count
- 24
- σ(n) — sum of divisors
- 113,832
- φ(n) — Euler's totient
- 20,000
- Sum of prime factors
- 124
Primality
Prime factorization: 2 × 5 2 × 11 × 101
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- fifty-five thousand five hundred fifty
- Ordinal
- 55550th
- Binary
- 1101100011111110
- Octal
- 154376
- Hexadecimal
- 0xD8FE
- Base64
- 2P4=
- One's complement
- 9,985 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵νεφνʹ
- Mayan (base 20)
- 𝋦·𝋲·𝋱·𝋪
- Chinese
- 五萬五千五百五十
- Chinese (financial)
- 伍萬伍仟伍佰伍拾
Digit at this position in famous constants
- π — Pi (π)
- Digit 55,550 = 3
- e — Euler's number (e)
- Digit 55,550 = 3
- φ — Golden ratio (φ)
- Digit 55,550 = 1
- √2 — Pythagoras's (√2)
- Digit 55,550 = 6
- ln 2 — Natural log of 2
- Digit 55,550 = 9
- γ — Euler-Mascheroni (γ)
- Digit 55,550 = 5
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 55550, here are decompositions:
- 3 + 55547 = 55550
- 109 + 55441 = 55550
- 139 + 55411 = 55550
- 151 + 55399 = 55550
- 199 + 55351 = 55550
- 211 + 55339 = 55550
- 307 + 55243 = 55550
- 331 + 55219 = 55550
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.0.216.254.
- Address
- 0.0.216.254
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.216.254
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.
Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.
The digit sequence 55550 first appears in π at position 319,921 of the decimal expansion (the 319,921ordinal-suffix:st 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.