56790137 has 2 divisors, whose sum is σ = 56790138. Its totient is φ = 56790136.

The previous prime is 56790133. The next prime is 56790157. The reversal of 56790137 is 73109765.

56790137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48385936 + 8404201 = 6956^2 + 2899^2 .

It is a cyclic number.

It is not a de Polignac number, because 56790137 - 2² = 56790133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56790137.

It is not a weakly prime, because it can be changed into another prime (56790133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28395068 + 28395069.

It is an arithmetic number, because the mean of its divisors is an integer number (28395069).

Almost surely, 2^56790137 is an apocalyptic number.

It is an amenable number.

56790137 is a deficient number, since it is larger than the sum of its proper divisors (1).

56790137 is an equidigital number, since it uses as much as digits as its factorization.

56790137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 56790137 is about 7535.9231020493. The cubic root of 56790137 is about 384.3772176663.

The spelling of 56790137 in words is "fifty-six million, seven hundred ninety thousand, one hundred thirty-seven".