56534745624 has 64 divisors (see below), whose sum is σ = 171029491200. Its totient is φ = 15202619904.

The previous prime is 56534745587. The next prime is 56534745647. The reversal of 56534745624 is 42654743565.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9894684 + ... + 9900395.

It is an arithmetic number, because the mean of its divisors is an integer number (2672335800).

Almost surely, 2^56534745624 is an apocalyptic number.

It is an amenable number.

56534745624 is an abundant number, since it is smaller than the sum of its proper divisors (114494745576).

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

56534745624 is a wasteful number, since it uses less digits than its factorization.

56534745624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19795112 (or 19795108 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 51.

The spelling of 56534745624 in words is "fifty-six billion, five hundred thirty-four million, seven hundred forty-five thousand, six hundred twenty-four".