57839490 has 48 divisors (see below), whose sum is σ = 155241216. Its totient is φ = 14925600.

The previous prime is 57839489. The next prime is 57839501. The reversal of 57839490 is 9493875.

57839490 is a `hidden beast` number, since 578 + 39 + 49 + 0 = 666.

57839490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7576 + ... + 13155.

It is an arithmetic number, because the mean of its divisors is an integer number (3234192).

Almost surely, 2^57839490 is an apocalyptic number.

57839490 is an abundant number, since it is smaller than the sum of its proper divisors (97401726).

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

57839490 is a wasteful number, since it uses less digits than its factorization.

57839490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20775 (or 20772 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 57839490 is about 7605.2278072389. The cubic root of 57839490 is about 386.7302569150.

The spelling of 57839490 in words is "fifty-seven million, eight hundred thirty-nine thousand, four hundred ninety".