56533629888 has 140 divisors (see below), whose sum is σ = 167691465480. Its totient is φ = 18832393728.

The previous prime is 56533629871. The next prime is 56533629899. The reversal of 56533629888 is 88892633565.

56533629888 is a `hidden beast` number, since 5 + 6 + 5 + 336 + 298 + 8 + 8 = 666.

56533629888 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 19 ways as a sum of consecutive naturals, for example, 11967495 + ... + 11972217.

It is an arithmetic number, because the mean of its divisors is an integer number (1197796182).

Almost surely, 2^56533629888 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 56533629888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83845732740).

56533629888 is an abundant number, since it is smaller than the sum of its proper divisors (111157835592).

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

56533629888 is a wasteful number, since it uses less digits than its factorization.

56533629888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7056 (or 7037 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 63.

The spelling of 56533629888 in words is "fifty-six billion, five hundred thirty-three million, six hundred twenty-nine thousand, eight hundred eighty-eight".