57897764 has 6 divisors (see below), whose sum is σ = 101321094. Its totient is φ = 28948880.

The previous prime is 57897761. The next prime is 57897773. The reversal of 57897764 is 46779875.

It can be written as a sum of positive squares in only one way, i.e., 57123364 + 774400 = 7558^2 + 880^2 .

It is not an unprimeable number, because it can be changed into a prime (57897761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7237217 + ... + 7237224.

It is an arithmetic number, because the mean of its divisors is an integer number (16886849).

Almost surely, 2^57897764 is an apocalyptic number.

It is an amenable number.

57897764 is a deficient number, since it is larger than the sum of its proper divisors (43423330).

57897764 is a wasteful number, since it uses less digits than its factorization.

57897764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14474445 (or 14474443 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 53.

The square root of 57897764 is about 7609.0580231721. The cubic root of 57897764 is about 386.8600918236.

The spelling of 57897764 in words is "fifty-seven million, eight hundred ninety-seven thousand, seven hundred sixty-four".