57235816 has 32 divisors (see below), whose sum is σ = 118569600. Its totient is φ = 25683840.

The previous prime is 57235807. The next prime is 57235831. The reversal of 57235816 is 61853275.

57235816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 2836 + ... + 11068.

It is an arithmetic number, because the mean of its divisors is an integer number (3705300).

Almost surely, 2^57235816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57235816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59284800).

57235816 is an abundant number, since it is smaller than the sum of its proper divisors (61333784).

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

57235816 is a wasteful number, since it uses less digits than its factorization.

57235816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8329 (or 8325 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 57235816 is about 7565.4356120451. The cubic root of 57235816 is about 385.3801069751.

The spelling of 57235816 in words is "fifty-seven million, two hundred thirty-five thousand, eight hundred sixteen".