57525521771 has 2 divisors, whose sum is σ = 57525521772. Its totient is φ = 57525521770.

The previous prime is 57525521681. The next prime is 57525521777. The reversal of 57525521771 is 17712552575.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57525521771 - 2¹⁰ = 57525520747 is a prime.

It is not a weakly prime, because it can be changed into another prime (57525521777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28762760885 + 28762760886.

It is an arithmetic number, because the mean of its divisors is an integer number (28762760886).

Almost surely, 2^57525521771 is an apocalyptic number.

57525521771 is a deficient number, since it is larger than the sum of its proper divisors (1).

57525521771 is an equidigital number, since it uses as much as digits as its factorization.

57525521771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857500, while the sum is 47.

The spelling of 57525521771 in words is "fifty-seven billion, five hundred twenty-five million, five hundred twenty-one thousand, seven hundred seventy-one".