56510554068 has 96 divisors (see below), whose sum is σ = 148070424320. Its totient is φ = 18636428160.

The previous prime is 56510554043. The next prime is 56510554073. The reversal of 56510554068 is 86045501565.

56510554068 is a `hidden beast` number, since 56 + 51 + 0 + 5 + 540 + 6 + 8 = 666.

56510554068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17763438 + ... + 17766618.

Almost surely, 2^56510554068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56510554068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74035212160).

56510554068 is an abundant number, since it is smaller than the sum of its proper divisors (91559870252).

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

56510554068 is a wasteful number, since it uses less digits than its factorization.

56510554068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4894 (or 4886 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The spelling of 56510554068 in words is "fifty-six billion, five hundred ten million, five hundred fifty-four thousand, sixty-eight".