56511560100 has 36 divisors (see below), whose sum is σ = 163506781424. Its totient is φ = 15069749280.

The previous prime is 56511560071. The next prime is 56511560113. The reversal of 56511560100 is 106511565.

56511560100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 94185634 + ... + 94186233.

Almost surely, 2^56511560100 is an apocalyptic number.

56511560100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56511560100 is an abundant number, since it is smaller than the sum of its proper divisors (106995221324).

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

56511560100 is a wasteful number, since it uses less digits than its factorization.

56511560100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188371884 (or 188371877 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 56511560100 in words is "fifty-six billion, five hundred eleven million, five hundred sixty thousand, one hundred".