56975153831 has 2 divisors, whose sum is σ = 56975153832. Its totient is φ = 56975153830.

The previous prime is 56975153803. The next prime is 56975153849. The reversal of 56975153831 is 13835157965.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56975153831 - 2²² = 56970959527 is a prime.

It is a super-2 number, since 2×56975153831² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56975153231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28487576915 + 28487576916.

It is an arithmetic number, because the mean of its divisors is an integer number (28487576916).

Almost surely, 2^56975153831 is an apocalyptic number.

56975153831 is a deficient number, since it is larger than the sum of its proper divisors (1).

56975153831 is an equidigital number, since it uses as much as digits as its factorization.

56975153831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402000, while the sum is 53.

The spelling of 56975153831 in words is "fifty-six billion, nine hundred seventy-five million, one hundred fifty-three thousand, eight hundred thirty-one".