56357513 has 2 divisors, whose sum is σ = 56357514. Its totient is φ = 56357512.

The previous prime is 56357501. The next prime is 56357551. The reversal of 56357513 is 31575365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30824704 + 25532809 = 5552^2 + 5053^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56357513 is a prime.

It is not a weakly prime, because it can be changed into another prime (56357113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28178756 + 28178757.

It is an arithmetic number, because the mean of its divisors is an integer number (28178757).

Almost surely, 2^56357513 is an apocalyptic number.

It is an amenable number.

56357513 is a deficient number, since it is larger than the sum of its proper divisors (1).

56357513 is an equidigital number, since it uses as much as digits as its factorization.

56357513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47250, while the sum is 35.

The square root of 56357513 is about 7507.1641117002. The cubic root of 56357513 is about 383.3986740960.

The spelling of 56357513 in words is "fifty-six million, three hundred fifty-seven thousand, five hundred thirteen".