57043580 has 48 divisors (see below), whose sum is σ = 135203040. Its totient is φ = 20025600.

The previous prime is 57043579. The next prime is 57043621. The reversal of 57043580 is 8534075.

It is a happy number.

It is a congruent number.

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, 1910 + ... + 10850.

It is an arithmetic number, because the mean of its divisors is an integer number (2816730).

Almost surely, 2^57043580 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 57043580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67601520).

57043580 is an abundant number, since it is smaller than the sum of its proper divisors (78159460).

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

57043580 is a wasteful number, since it uses less digits than its factorization.

57043580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8990 (or 8988 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 57043580 is about 7552.7200398267. The cubic root of 57043580 is about 384.9481686563.

The spelling of 57043580 in words is "fifty-seven million, forty-three thousand, five hundred eighty".