57139882 has 8 divisors (see below), whose sum is σ = 88474752. Its totient is φ = 27648300.

The previous prime is 57139867. The next prime is 57139891. The reversal of 57139882 is 28893175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×57139882² = 6529932229947848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460744 + ... + 460867.

It is an arithmetic number, because the mean of its divisors is an integer number (11059344).

Almost surely, 2^57139882 is an apocalyptic number.

57139882 is a deficient number, since it is larger than the sum of its proper divisors (31334870).

57139882 is a wasteful number, since it uses less digits than its factorization.

57139882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921644.

The product of its digits is 120960, while the sum is 43.

The square root of 57139882 is about 7559.0926704202. The cubic root of 57139882 is about 385.1646723459.

The spelling of 57139882 in words is "fifty-seven million, one hundred thirty-nine thousand, eight hundred eighty-two".