56124991088 has 40 divisors (see below), whose sum is σ = 117311228208. Its totient is φ = 25913418752.

The previous prime is 56124991079. The next prime is 56124991099. The reversal of 56124991088 is 88019942165.

It is a Harshad number since it is a multiple of its sum of digits (53).

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 7 ways as a sum of consecutive naturals, for example, 1932206 + ... + 1961037.

Almost surely, 2^56124991088 is an apocalyptic number.

It is an amenable number.

56124991088 is an abundant number, since it is smaller than the sum of its proper divisors (61186237120).

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

56124991088 is a wasteful number, since it uses less digits than its factorization.

56124991088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893321 (or 3893315 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 53.

The spelling of 56124991088 in words is "fifty-six billion, one hundred twenty-four million, nine hundred ninety-one thousand, eighty-eight".