57988521 has 16 divisors (see below), whose sum is σ = 86049600. Its totient is φ = 38595744.

The previous prime is 57988481. The next prime is 57988523. The reversal of 57988521 is 12588975.

It is a happy number.

It is not a de Polignac number, because 57988521 - 2⁶ = 57988457 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (57988523) 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, 19885 + ... + 22613.

It is an arithmetic number, because the mean of its divisors is an integer number (5378100).

Almost surely, 2^57988521 is an apocalyptic number.

It is an amenable number.

57988521 is a deficient number, since it is larger than the sum of its proper divisors (28061079).

57988521 is a wasteful number, since it uses less digits than its factorization.

57988521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525 (or 3519 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 57988521 is about 7615.0194353002. The cubic root of 57988521 is about 387.0621257153.

The spelling of 57988521 in words is "fifty-seven million, nine hundred eighty-eight thousand, five hundred twenty-one".