56373817539 has 16 divisors (see below), whose sum is σ = 80963366400. Its totient is φ = 34684574496.

The previous prime is 56373817501. The next prime is 56373817553. The reversal of 56373817539 is 93571837365.

It is not a de Polignac number, because 56373817539 - 2⁷ = 56373817411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56373817439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53092 + ... + 339950.

It is an arithmetic number, because the mean of its divisors is an integer number (5060210400).

Almost surely, 2^56373817539 is an apocalyptic number.

56373817539 is a deficient number, since it is larger than the sum of its proper divisors (24589548861).

56373817539 is a wasteful number, since it uses less digits than its factorization.

56373817539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291914.

The product of its digits is 14288400, while the sum is 57.

The spelling of 56373817539 in words is "fifty-six billion, three hundred seventy-three million, eight hundred seventeen thousand, five hundred thirty-nine".