56307852313 has 2 divisors, whose sum is σ = 56307852314. Its totient is φ = 56307852312.

The previous prime is 56307852283. The next prime is 56307852371. The reversal of 56307852313 is 31325870365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55758793689 + 549058624 = 236133^2 + 23432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56307852313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56307852313.

It is not a weakly prime, because it can be changed into another prime (56307852383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28153926156 + 28153926157.

It is an arithmetic number, because the mean of its divisors is an integer number (28153926157).

Almost surely, 2^56307852313 is an apocalyptic number.

It is an amenable number.

56307852313 is a deficient number, since it is larger than the sum of its proper divisors (1).

56307852313 is an equidigital number, since it uses as much as digits as its factorization.

56307852313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 56307852313 in words is "fifty-six billion, three hundred seven million, eight hundred fifty-two thousand, three hundred thirteen".