56837317 has 2 divisors, whose sum is σ = 56837318. Its totient is φ = 56837316.

The previous prime is 56837311. The next prime is 56837323. The reversal of 56837317 is 71373865.

It is a balanced prime because it is at equal distance from previous prime (56837311) and next prime (56837323).

It can be written as a sum of positive squares in only one way, i.e., 40564161 + 16273156 = 6369^2 + 4034^2 .

It is a cyclic number.

It is not a de Polignac number, because 56837317 - 2³ = 56837309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56837317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56837311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28418658 + 28418659.

It is an arithmetic number, because the mean of its divisors is an integer number (28418659).

Almost surely, 2^56837317 is an apocalyptic number.

It is an amenable number.

56837317 is a deficient number, since it is larger than the sum of its proper divisors (1).

56837317 is an equidigital number, since it uses as much as digits as its factorization.

56837317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 56837317 is about 7539.0527919627. The cubic root of 56837317 is about 384.4836322562.

The spelling of 56837317 in words is "fifty-six million, eight hundred thirty-seven thousand, three hundred seventeen".