57697 has 2 divisors, whose sum is σ = 57698. Its totient is φ = 57696.

The previous prime is 57689. The next prime is 57709. The reversal of 57697 is 79675.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57121 + 576 = 239^2 + 24^2 .

It is a cyclic number.

It is not a de Polignac number, because 57697 - 2³ = 57689 is a prime.

It is not a weakly prime, because it can be changed into another prime (57637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28848 + 28849.

It is an arithmetic number, because the mean of its divisors is an integer number (28849).

2⁵⁷⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

57697 is a deficient number, since it is larger than the sum of its proper divisors (1).

57697 is an equidigital number, since it uses as much as digits as its factorization.

57697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13230, while the sum is 34.

The square root of 57697 is about 240.2019983264. The cubic root of 57697 is about 38.6412420389.

It can be divided in two parts, 5769 and 7, that added together give a square (5776 = 76²).

The spelling of 57697 in words is "fifty-seven thousand, six hundred ninety-seven".