57317665507 has 2 divisors, whose sum is σ = 57317665508. Its totient is φ = 57317665506.

The previous prime is 57317665501. The next prime is 57317665621. The reversal of 57317665507 is 70556671375.

57317665507 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 is a cyclic number.

It is not a de Polignac number, because 57317665507 - 2¹⁵ = 57317632739 is a prime.

It is not a weakly prime, because it can be changed into another prime (57317665501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28658832753 + 28658832754.

It is an arithmetic number, because the mean of its divisors is an integer number (28658832754).

Almost surely, 2^57317665507 is an apocalyptic number.

57317665507 is a deficient number, since it is larger than the sum of its proper divisors (1).

57317665507 is an equidigital number, since it uses as much as digits as its factorization.

57317665507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4630500, while the sum is 52.

The spelling of 57317665507 in words is "fifty-seven billion, three hundred seventeen million, six hundred sixty-five thousand, five hundred seven".