57576715657 has 2 divisors, whose sum is σ = 57576715658. Its totient is φ = 57576715656.

The previous prime is 57576715633. The next prime is 57576715667. The reversal of 57576715657 is 75651767575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33987134736 + 23589580921 = 184356^2 + 153589^2 .

It is a cyclic number.

It is not a de Polignac number, because 57576715657 - 2⁷ = 57576715529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57576715595 and 57576715604.

It is not a weakly prime, because it can be changed into another prime (57576715667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28788357828 + 28788357829.

It is an arithmetic number, because the mean of its divisors is an integer number (28788357829).

Almost surely, 2^57576715657 is an apocalyptic number.

It is an amenable number.

57576715657 is a deficient number, since it is larger than the sum of its proper divisors (1).

57576715657 is an equidigital number, since it uses as much as digits as its factorization.

57576715657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54022500, while the sum is 61.

The spelling of 57576715657 in words is "fifty-seven billion, five hundred seventy-six million, seven hundred fifteen thousand, six hundred fifty-seven".