57116090 has 32 divisors (see below), whose sum is σ = 114592320. Its totient is φ = 20369664.

The previous prime is 57116089. The next prime is 57116117. The reversal of 57116090 is 9061175.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5612 + ... + 12071.

It is an arithmetic number, because the mean of its divisors is an integer number (3581010).

Almost surely, 2^57116090 is an apocalyptic number.

57116090 is an abundant number, since it is smaller than the sum of its proper divisors (57476230).

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

57116090 is a wasteful number, since it uses less digits than its factorization.

57116090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17726.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 57116090 is about 7557.5187727190. The cubic root of 57116090 is about 385.1112064202. Note that the first 3 decimals are identical.

It can be divided in two parts, 571 and 16090, that added together give a palindrome (16661).

The spelling of 57116090 in words is "fifty-seven million, one hundred sixteen thousand, ninety".