57909975 has 48 divisors (see below), whose sum is σ = 101779200. Its totient is φ = 28990720.

The previous prime is 57909961. The next prime is 57909977. The reversal of 57909975 is 57990975.

It is a happy number.

It is not a de Polignac number, because 57909975 - 2⁴ = 57909959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57909977) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101491 + ... + 102059.

It is an arithmetic number, because the mean of its divisors is an integer number (2120400).

Almost surely, 2^57909975 is an apocalyptic number.

57909975 is a deficient number, since it is larger than the sum of its proper divisors (43869225).

57909975 is a wasteful number, since it uses less digits than its factorization.

57909975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 893025, while the sum is 51.

The square root of 57909975 is about 7609.8603797967. The cubic root of 57909975 is about 386.8872869816.

The spelling of 57909975 in words is "fifty-seven million, nine hundred nine thousand, nine hundred seventy-five".