56264531550 has 48 divisors (see below), whose sum is σ = 140119960320. Its totient is φ = 14941087840.

The previous prime is 56264531513. The next prime is 56264531573. The reversal of 56264531550 is 5513546265.

56264531550 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 23 ways as a sum of consecutive naturals, for example, 748872 + ... + 820571.

It is an arithmetic number, because the mean of its divisors is an integer number (2919165840).

Almost surely, 2^56264531550 is an apocalyptic number.

56264531550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56264531550 is an abundant number, since it is smaller than the sum of its proper divisors (83855428770).

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

56264531550 is a wasteful number, since it uses less digits than its factorization.

56264531550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569697 (or 1569692 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 56264531550 in words is "fifty-six billion, two hundred sixty-four million, five hundred thirty-one thousand, five hundred fifty".