56720312524 has 24 divisors (see below), whose sum is σ = 105324513840. Its totient is φ = 26634740736.

The previous prime is 56720312521. The next prime is 56720312527. The reversal of 56720312524 is 42521302765.

It is an interprime number because it is at equal distance from previous prime (56720312521) and next prime (56720312527).

It is not an unprimeable number, because it can be changed into a prime (56720312521) by changing a digit.

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, 861309 + ... + 924820.

It is an arithmetic number, because the mean of its divisors is an integer number (4388521410).

Almost surely, 2^56720312524 is an apocalyptic number.

It is an amenable number.

56720312524 is a deficient number, since it is larger than the sum of its proper divisors (48604201316).

56720312524 is a wasteful number, since it uses less digits than its factorization.

56720312524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786617 (or 1786615 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 56720312524 in words is "fifty-six billion, seven hundred twenty million, three hundred twelve thousand, five hundred twenty-four".