57879380 has 24 divisors (see below), whose sum is σ = 130897032. Its totient is φ = 21370752.

The previous prime is 57879379. The next prime is 57879383. The reversal of 57879380 is 8397875.

It can be written as a sum of positive squares in 4 ways, for example, as 58564 + 57820816 = 242^2 + 7604^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57879383) 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, 111047 + ... + 111566.

It is an arithmetic number, because the mean of its divisors is an integer number (5454043).

Almost surely, 2^57879380 is an apocalyptic number.

It is an amenable number.

57879380 is an abundant number, since it is smaller than the sum of its proper divisors (73017652).

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

57879380 is a wasteful number, since it uses less digits than its factorization.

57879380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222635 (or 222633 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 57879380 is about 7607.8498933667. The cubic root of 57879380 is about 386.8191415443.

The spelling of 57879380 in words is "fifty-seven million, eight hundred seventy-nine thousand, three hundred eighty".