57132907477 has 2 divisors, whose sum is σ = 57132907478. Its totient is φ = 57132907476.

The previous prime is 57132907439. The next prime is 57132907487. The reversal of 57132907477 is 77470923175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43499776356 + 13633131121 = 208566^2 + 116761^2 .

It is a cyclic number.

It is not a de Polignac number, because 57132907477 - 2²⁷ = 56998689749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57132907487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28566453738 + 28566453739.

It is an arithmetic number, because the mean of its divisors is an integer number (28566453739).

Almost surely, 2^57132907477 is an apocalyptic number.

It is an amenable number.

57132907477 is a deficient number, since it is larger than the sum of its proper divisors (1).

57132907477 is an equidigital number, since it uses as much as digits as its factorization.

57132907477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2593080, while the sum is 52.

The spelling of 57132907477 in words is "fifty-seven billion, one hundred thirty-two million, nine hundred seven thousand, four hundred seventy-seven".