56651118020 has 48 divisors (see below), whose sum is σ = 140348587008. Its totient is φ = 18796682880.

The previous prime is 56651117993. The next prime is 56651118061. The reversal of 56651118020 is 2081115665.

It is a happy number.

56651118020 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 (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6522287 + ... + 6530966.

It is an arithmetic number, because the mean of its divisors is an integer number (2923928896).

Almost surely, 2^56651118020 is an apocalyptic number.

It is an amenable number.

56651118020 is an abundant number, since it is smaller than the sum of its proper divisors (83697468988).

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

56651118020 is a wasteful number, since it uses less digits than its factorization.

56651118020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13053300 (or 13053298 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 56651118020 in words is "fifty-six billion, six hundred fifty-one million, one hundred eighteen thousand, twenty".