57903918 has 16 divisors (see below), whose sum is σ = 115900416. Its totient is φ = 19285880.

The previous prime is 57903907. The next prime is 57903941. The reversal of 57903918 is 81930975.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 57903918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6355 + ... + 12497.

It is an arithmetic number, because the mean of its divisors is an integer number (7243776).

Almost surely, 2^57903918 is an apocalyptic number.

57903918 is an abundant number, since it is smaller than the sum of its proper divisors (57996498).

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

57903918 is a wasteful number, since it uses less digits than its factorization.

57903918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7719.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 57903918 is about 7609.4623988821. The cubic root of 57903918 is about 386.8737978950.

The spelling of 57903918 in words is "fifty-seven million, nine hundred three thousand, nine hundred eighteen".