57112384 has 56 divisors (see below), whose sum is σ = 137160000. Its totient is φ = 23033856.

The previous prime is 57112373. The next prime is 57112387. The reversal of 57112384 is 48321175.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57112387) 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, 3867 + ... + 11365.

Almost surely, 2^57112384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57112384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68580000).

57112384 is an abundant number, since it is smaller than the sum of its proper divisors (80047616).

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

57112384 is a wasteful number, since it uses less digits than its factorization.

57112384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7535 (or 7525 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 57112384 is about 7557.2735824502. The cubic root of 57112384 is about 385.1028768759.

The spelling of 57112384 in words is "fifty-seven million, one hundred twelve thousand, three hundred eighty-four".