57381248 has 32 divisors (see below), whose sum is σ = 118009920. Its totient is φ = 27763200.

The previous prime is 57381229. The next prime is 57381253. The reversal of 57381248 is 84218375.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 3263 + ... + 11198.

It is an arithmetic number, because the mean of its divisors is an integer number (3687810).

Almost surely, 2^57381248 is an apocalyptic number.

It is an amenable number.

57381248 is an abundant number, since it is smaller than the sum of its proper divisors (60628672).

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

57381248 is a wasteful number, since it uses less digits than its factorization.

57381248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14506 (or 14494 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 57381248 is about 7575.0411220006. The cubic root of 57381248 is about 385.7062384107.

The spelling of 57381248 in words is "fifty-seven million, three hundred eighty-one thousand, two hundred forty-eight".