56874991824 has 120 divisors (see below), whose sum is σ = 181958175360. Its totient is φ = 16245667584.

The previous prime is 56874991819. The next prime is 56874991853. The reversal of 56874991824 is 42819947865.

56874991824 is a `hidden beast` number, since 5 + 68 + 7 + 499 + 1 + 82 + 4 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 7260742 + ... + 7268570.

It is an arithmetic number, because the mean of its divisors is an integer number (1516318128).

Almost surely, 2^56874991824 is an apocalyptic number.

It is an amenable number.

56874991824 is an abundant number, since it is smaller than the sum of its proper divisors (125083183536).

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

56874991824 is a wasteful number, since it uses less digits than its factorization.

56874991824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15057 (or 15048 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 56874991824 in words is "fifty-six billion, eight hundred seventy-four million, nine hundred ninety-one thousand, eight hundred twenty-four".