57701324521 has 9 divisors (see below), whose sum is σ = 58378568311. Its totient is φ = 57031856464.

The previous prime is 57701324507. The next prime is 57701324531. The reversal of 57701324521 is 12542310775.

The square root of 57701324521 is 240211.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11079878121 + 46621446400 = 105261^2 + 215920^2 .

It is not a de Polignac number, because 57701324521 - 2⁵ = 57701324489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57701324501) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21377430 + ... + 21380128.

Almost surely, 2^57701324521 is an apocalyptic number.

57701324521 is the 240211-st square number.

57701324521 is the 120106-th centered octagonal number.

It is an amenable number.

57701324521 is a deficient number, since it is larger than the sum of its proper divisors (677243790).

57701324521 is an frugal number, since it uses more digits than its factorization.

57701324521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5576 (or 2788 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 57701324521 in words is "fifty-seven billion, seven hundred one million, three hundred twenty-four thousand, five hundred twenty-one".