57489507 has 20 divisors (see below), whose sum is σ = 87712416. Its totient is φ = 37508400.

The previous prime is 57489493. The next prime is 57489517. The reversal of 57489507 is 70598475.

It is not a de Polignac number, because 57489507 - 2⁴ = 57489491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57489517) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3744 + ... + 11357.

Almost surely, 2^57489507 is an apocalyptic number.

57489507 is a deficient number, since it is larger than the sum of its proper divisors (30222909).

57489507 is a wasteful number, since it uses less digits than its factorization.

57489507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15160 (or 15151 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 57489507 is about 7582.1835245528. The cubic root of 57489507 is about 385.9486517466.

The spelling of 57489507 in words is "fifty-seven million, four hundred eighty-nine thousand, five hundred seven".