56745579572 has 36 divisors (see below), whose sum is σ = 109330085760. Its totient is φ = 25751639760.

The previous prime is 56745579551. The next prime is 56745579601. The reversal of 56745579572 is 27597554765.

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 11 ways as a sum of consecutive naturals, for example, 204893 + ... + 394299.

Almost surely, 2^56745579572 is an apocalyptic number.

It is an amenable number.

56745579572 is a deficient number, since it is larger than the sum of its proper divisors (52584506188).

56745579572 is a wasteful number, since it uses less digits than its factorization.

56745579572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190052 (or 190039 counting only the distinct ones).

The product of its digits is 92610000, while the sum is 62.

The spelling of 56745579572 in words is "fifty-six billion, seven hundred forty-five million, five hundred seventy-nine thousand, five hundred seventy-two".