57492717797 has 2 divisors, whose sum is σ = 57492717798. Its totient is φ = 57492717796.

The previous prime is 57492717743. The next prime is 57492717803. The reversal of 57492717797 is 79771729475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56545986436 + 946731361 = 237794^2 + 30769^2 .

It is a cyclic number.

It is not a de Polignac number, because 57492717797 - 2²⁸ = 57224282341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57492717097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28746358898 + 28746358899.

It is an arithmetic number, because the mean of its divisors is an integer number (28746358899).

Almost surely, 2^57492717797 is an apocalyptic number.

It is an amenable number.

57492717797 is a deficient number, since it is larger than the sum of its proper divisors (1).

57492717797 is an equidigital number, since it uses as much as digits as its factorization.

57492717797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54454680, while the sum is 65.

The spelling of 57492717797 in words is "fifty-seven billion, four hundred ninety-two million, seven hundred seventeen thousand, seven hundred ninety-seven".