57168455317 has 2 divisors, whose sum is σ = 57168455318. Its totient is φ = 57168455316.

The previous prime is 57168455263. The next prime is 57168455339. The reversal of 57168455317 is 71355486175.

57168455317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57121478001 + 46977316 = 239001^2 + 6854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57168455317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57168455017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28584227658 + 28584227659.

It is an arithmetic number, because the mean of its divisors is an integer number (28584227659).

Almost surely, 2^57168455317 is an apocalyptic number.

It is an amenable number.

57168455317 is a deficient number, since it is larger than the sum of its proper divisors (1).

57168455317 is an equidigital number, since it uses as much as digits as its factorization.

57168455317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528000, while the sum is 52.

The spelling of 57168455317 in words is "fifty-seven billion, one hundred sixty-eight million, four hundred fifty-five thousand, three hundred seventeen".