57052086517 has 2 divisors, whose sum is σ = 57052086518. Its totient is φ = 57052086516.

The previous prime is 57052086457. The next prime is 57052086551. The reversal of 57052086517 is 71568025075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46580862276 + 10471224241 = 215826^2 + 102329^2 .

It is a cyclic number.

It is not a de Polignac number, because 57052086517 - 2⁷ = 57052086389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57052086617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28526043258 + 28526043259.

It is an arithmetic number, because the mean of its divisors is an integer number (28526043259).

Almost surely, 2^57052086517 is an apocalyptic number.

It is an amenable number.

57052086517 is a deficient number, since it is larger than the sum of its proper divisors (1).

57052086517 is an equidigital number, since it uses as much as digits as its factorization.

57052086517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588000, while the sum is 46.

The spelling of 57052086517 in words is "fifty-seven billion, fifty-two million, eighty-six thousand, five hundred seventeen".