57254750557 has 2 divisors, whose sum is σ = 57254750558. Its totient is φ = 57254750556.

The previous prime is 57254750533. The next prime is 57254750587. The reversal of 57254750557 is 75505745275.

57254750557 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 can be written as a sum of positive squares in only one way, i.e., 40331082276 + 16923668281 = 200826^2 + 130091^2 .

It is a cyclic number.

It is not a de Polignac number, because 57254750557 - 2⁷ = 57254750429 is a prime.

It is a super-2 number, since 2×57254750557² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57254750587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28627375278 + 28627375279.

It is an arithmetic number, because the mean of its divisors is an integer number (28627375279).

Almost surely, 2^57254750557 is an apocalyptic number.

It is an amenable number.

57254750557 is a deficient number, since it is larger than the sum of its proper divisors (1).

57254750557 is an equidigital number, since it uses as much as digits as its factorization.

57254750557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8575000, while the sum is 52.

The spelling of 57254750557 in words is "fifty-seven billion, two hundred fifty-four million, seven hundred fifty thousand, five hundred fifty-seven".