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56253811055 = 5131316606437
BaseRepresentation
bin110100011000111111…
…010000100101101111
312101012102110200121112
4310120333100211233
51410201433423210
641502002222235
74031010335021
oct643077204557
9171172420545
1056253811055
112194789a942
12aa9b35497b
1353c65b3a40
142a1912c011
1516e3915d05
hexd18fd096f

56253811055 has 16 divisors (see below), whose sum is σ = 73252184544. Its totient is φ = 41224160640.

The previous prime is 56253811007. The next prime is 56253811063. The reversal of 56253811055 is 55011835265.

It is not a de Polignac number, because 56253811055 - 228 = 55985375599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3294704 + ... + 3311733.

It is an arithmetic number, because the mean of its divisors is an integer number (4578261534).

Almost surely, 256253811055 is an apocalyptic number.

56253811055 is a deficient number, since it is larger than the sum of its proper divisors (16998373489).

56253811055 is a wasteful number, since it uses less digits than its factorization.

56253811055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6606586.

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 56253811055 in words is "fifty-six billion, two hundred fifty-three million, eight hundred eleven thousand, fifty-five".

Divisors: 1 5 13 65 131 655 1703 8515 6606437 33032185 85883681 429418405 865443247 4327216235 11250762211 56253811055