57196816 has 20 divisors (see below), whose sum is σ = 114641100. Its totient is φ = 27612032.

The previous prime is 57196807. The next prime is 57196831. The reversal of 57196816 is 61869175.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36000000 + 21196816 = 6000^2 + 4604^2 .

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, 61171 + ... + 62098.

It is an arithmetic number, because the mean of its divisors is an integer number (5732055).

Almost surely, 2^57196816 is an apocalyptic number.

It is an amenable number.

57196816 is an abundant number, since it is smaller than the sum of its proper divisors (57444284).

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

57196816 is a wasteful number, since it uses less digits than its factorization.

57196816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123306 (or 123300 counting only the distinct ones).

The product of its digits is 90720, while the sum is 43.

The square root of 57196816 is about 7562.8576609639. The cubic root of 57196816 is about 385.2925555068.

The spelling of 57196816 in words is "fifty-seven million, one hundred ninety-six thousand, eight hundred sixteen".