56017316317 has 2 divisors, whose sum is σ = 56017316318. Its totient is φ = 56017316316.

The previous prime is 56017316291. The next prime is 56017316323. The reversal of 56017316317 is 71361371065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40833901476 + 15183414841 = 202074^2 + 123221^2 .

It is a cyclic number.

It is not a de Polignac number, because 56017316317 - 2⁷ = 56017316189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56017316317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56017316357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28008658158 + 28008658159.

It is an arithmetic number, because the mean of its divisors is an integer number (28008658159).

Almost surely, 2^56017316317 is an apocalyptic number.

It is an amenable number.

56017316317 is a deficient number, since it is larger than the sum of its proper divisors (1).

56017316317 is an equidigital number, since it uses as much as digits as its factorization.

56017316317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 56017316317 in words is "fifty-six billion, seventeen million, three hundred sixteen thousand, three hundred seventeen".