57481984 has 36 divisors (see below), whose sum is σ = 131134864. Its totient is φ = 24634368.

The previous prime is 57481969. The next prime is 57481997. The reversal of 57481984 is 48918475.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14247 + ... + 17830.

Almost surely, 2^57481984 is an apocalyptic number.

It is an amenable number.

57481984 is an abundant number, since it is smaller than the sum of its proper divisors (73652880).

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

57481984 is an equidigital number, since it uses as much as digits as its factorization.

57481984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32100 (or 32086 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 57481984 is about 7581.6874111243. The cubic root of 57481984 is about 385.9318161041.

The spelling of 57481984 in words is "fifty-seven million, four hundred eighty-one thousand, nine hundred eighty-four".