57488977 has 16 divisors (see below), whose sum is σ = 70967680. Its totient is φ = 45349632.

The previous prime is 57488971. The next prime is 57488987. The reversal of 57488977 is 77988475.

It is a happy number.

It is a 6-Lehmer number, since φ(57488977) divides (57488977-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 57488977 - 2³ = 57488969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57488971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38674 + ... + 40132.

It is an arithmetic number, because the mean of its divisors is an integer number (4435480).

Almost surely, 2^57488977 is an apocalyptic number.

It is an amenable number.

57488977 is a deficient number, since it is larger than the sum of its proper divisors (13478703).

57488977 is a wasteful number, since it uses less digits than its factorization.

57488977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912.

The product of its digits is 3951360, while the sum is 55.

The square root of 57488977 is about 7582.1485741180. The cubic root of 57488977 is about 385.9474657133.

The spelling of 57488977 in words is "fifty-seven million, four hundred eighty-eight thousand, nine hundred seventy-seven".