57488028 has 24 divisors (see below), whose sum is σ = 144457488. Its totient is φ = 17688576.

The previous prime is 57488023. The next prime is 57488029. The reversal of 57488028 is 82088475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57488021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184101 + ... + 184412.

It is an arithmetic number, because the mean of its divisors is an integer number (6019062).

Almost surely, 2^57488028 is an apocalyptic number.

It is an amenable number.

57488028 is an abundant number, since it is smaller than the sum of its proper divisors (86969460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57488028 is a wasteful number, since it uses less digits than its factorization.

57488028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368533 (or 368531 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 57488028 is about 7582.0859926540. The cubic root of 57488028 is about 385.9453420240.

The spelling of 57488028 in words is "fifty-seven million, four hundred eighty-eight thousand, twenty-eight".