56117100492 has 36 divisors (see below), whose sum is σ = 143794738360. Its totient is φ = 18449456832.

The previous prime is 56117100461. The next prime is 56117100497. The reversal of 56117100492 is 29400171165.

56117100492 is a `hidden beast` number, since 5 + 61 + 1 + 7 + 100 + 492 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (56117100497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10674142 + ... + 10679397.

Almost surely, 2^56117100492 is an apocalyptic number.

It is an amenable number.

56117100492 is an abundant number, since it is smaller than the sum of its proper divisors (87677637868).

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

56117100492 is a wasteful number, since it uses less digits than its factorization.

56117100492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21353622 (or 21353617 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 56117100492 in words is "fifty-six billion, one hundred seventeen million, one hundred thousand, four hundred ninety-two".