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56055555105 = 35111975992879
BaseRepresentation
bin110100001101001010…
…111110010000100001
312100200121102020120120
4310031022332100201
51404300210230410
641430201030453
74023052233234
oct641512762041
9170617366516
1056055555105
1121855999250
12aa44a85429
1353944ba524
1429daa8141b
1516d1303570
hexd0d2be421

56055555105 has 64 divisors (see below), whose sum is σ = 98537472000. Its totient is φ = 26985969920.

The previous prime is 56055555097. The next prime is 56055555119. The reversal of 56055555105 is 50155555065.

It is not a de Polignac number, because 56055555105 - 23 = 56055555097 is a prime.

It is a super-2 number, since 2×560555551052 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19469056 + ... + 19471934.

It is an arithmetic number, because the mean of its divisors is an integer number (1539648000).

Almost surely, 256055555105 is an apocalyptic number.

56055555105 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56055555105 is a deficient number, since it is larger than the sum of its proper divisors (42481916895).

56055555105 is a wasteful number, since it uses less digits than its factorization.

56055555105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694.

The product of its (nonzero) digits is 468750, while the sum is 42.

The spelling of 56055555105 in words is "fifty-six billion, fifty-five million, five hundred fifty-five thousand, one hundred five".

Divisors: 1 3 5 11 15 33 55 165 197 591 599 985 1797 2167 2879 2955 2995 6501 6589 8637 8985 10835 14395 19767 31669 32505 32945 43185 95007 98835 118003 158345 354009 475035 567163 590015 1298033 1701489 1724521 1770045 2835815 3894099 5173563 6238793 6490165 8507445 8622605 18716379 18969731 19470495 25867815 31193965 56909193 93581895 94848655 284545965 339730637 1019191911 1698653185 3737037007 5095959555 11211111021 18685185035 56055555105