57805384 has 64 divisors (see below), whose sum is σ = 134346240. Its totient is φ = 22705920.

The previous prime is 57805357. The next prime is 57805399. The reversal of 57805384 is 48350875.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197142 + ... + 197434.

It is an arithmetic number, because the mean of its divisors is an integer number (2099160).

Almost surely, 2^57805384 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 57805384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67173120).

57805384 is an abundant number, since it is smaller than the sum of its proper divisors (76540856).

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

57805384 is a wasteful number, since it uses less digits than its factorization.

57805384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 57805384 is about 7602.9852031949. The cubic root of 57805384 is about 386.6542280316.

The spelling of 57805384 in words is "fifty-seven million, eight hundred five thousand, three hundred eighty-four".