56710659617 has 2 divisors, whose sum is σ = 56710659618. Its totient is φ = 56710659616.

The previous prime is 56710659581. The next prime is 56710659631. The reversal of 56710659617 is 71695601765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50931011041 + 5779648576 = 225679^2 + 76024^2 .

It is a cyclic number.

It is not a de Polignac number, because 56710659617 - 2⁶ = 56710659553 is a prime.

It is not a weakly prime, because it can be changed into another prime (56710659667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28355329808 + 28355329809.

It is an arithmetic number, because the mean of its divisors is an integer number (28355329809).

Almost surely, 2^56710659617 is an apocalyptic number.

It is an amenable number.

56710659617 is a deficient number, since it is larger than the sum of its proper divisors (1).

56710659617 is an equidigital number, since it uses as much as digits as its factorization.

56710659617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The spelling of 56710659617 in words is "fifty-six billion, seven hundred ten million, six hundred fifty-nine thousand, six hundred seventeen".