56936899164 has 24 divisors (see below), whose sum is σ = 133482404608. Its totient is φ = 18889017840.

The previous prime is 56936899091. The next prime is 56936899169. The reversal of 56936899164 is 46199863965.

It is a junction number, because it is equal to n+sod(n) for n = 56936899095 and 56936899104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56936899169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11240932 + ... + 11245995.

Almost surely, 2^56936899164 is an apocalyptic number.

It is an amenable number.

56936899164 is an abundant number, since it is smaller than the sum of its proper divisors (76545505444).

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

56936899164 is a wasteful number, since it uses less digits than its factorization.

56936899164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22487145 (or 22487143 counting only the distinct ones).

The product of its digits is 75582720, while the sum is 66.

The spelling of 56936899164 in words is "fifty-six billion, nine hundred thirty-six million, eight hundred ninety-nine thousand, one hundred sixty-four".