56811765044100 has 144 divisors (see below), whose sum is σ = 184165038058176. Its totient is φ = 13400318016000.

The previous prime is 56811765044071. The next prime is 56811765044117. The reversal of 56811765044100 is 144056711865.

It is a self number, because there is not a number n which added to its sum of digits gives 56811765044100.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232522311 + ... + 232766510.

It is an arithmetic number, because the mean of its divisors is an integer number (1278923875404).

Almost surely, 2^{56811765044100} is an apocalyptic number.

56811765044100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56811765044100 is an abundant number, since it is smaller than the sum of its proper divisors (127353273014076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56811765044100 is a wasteful number, since it uses less digits than its factorization.

56811765044100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465288886 (or 465288879 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 56811765044100 in words is "fifty-six trillion, eight hundred eleven billion, seven hundred sixty-five million, forty-four thousand, one hundred".