57831490 has 16 divisors (see below), whose sum is σ = 104788800. Its totient is φ = 22978800.

The previous prime is 57831469. The next prime is 57831509. The reversal of 57831490 is 9413875.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17640 + ... + 20659.

It is an arithmetic number, because the mean of its divisors is an integer number (6549300).

Almost surely, 2^57831490 is an apocalyptic number.

57831490 is a deficient number, since it is larger than the sum of its proper divisors (46957310).

57831490 is a wasteful number, since it uses less digits than its factorization.

57831490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38457.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 57831490 is about 7604.7018350492. The cubic root of 57831490 is about 386.7124260483.

The spelling of 57831490 in words is "fifty-seven million, eight hundred thirty-one thousand, four hundred ninety".