57587397 has 12 divisors (see below), whose sum is σ = 89319456. Its totient is φ = 32907000.

The previous prime is 57587389. The next prime is 57587407. The reversal of 57587397 is 79378575.

It is not a de Polignac number, because 57587397 - 2³ = 57587389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57588397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195729 + ... + 196022.

It is an arithmetic number, because the mean of its divisors is an integer number (7443288).

Almost surely, 2^57587397 is an apocalyptic number.

It is an amenable number.

57587397 is a deficient number, since it is larger than the sum of its proper divisors (31732059).

57587397 is a wasteful number, since it uses less digits than its factorization.

57587397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391768 (or 391761 counting only the distinct ones).

The product of its digits is 1852200, while the sum is 51.

The square root of 57587397 is about 7588.6360434534. The cubic root of 57587397 is about 386.1675849758.

The spelling of 57587397 in words is "fifty-seven million, five hundred eighty-seven thousand, three hundred ninety-seven".