56631499100 has 36 divisors (see below), whose sum is σ = 134062205928. Its totient is φ = 20593272000.

The previous prime is 56631499049. The next prime is 56631499121. The reversal of 56631499100 is 199413665.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25740491 + ... + 25742690.

Almost surely, 2^56631499100 is an apocalyptic number.

56631499100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56631499100 is an abundant number, since it is smaller than the sum of its proper divisors (77430706828).

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

56631499100 is a wasteful number, since it uses less digits than its factorization.

56631499100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51483206 (or 51483199 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 56631499100 in words is "fifty-six billion, six hundred thirty-one million, four hundred ninety-nine thousand, one hundred".