57022816 has 48 divisors (see below), whose sum is σ = 118918800. Its totient is φ = 26869248.

The previous prime is 57022813. The next prime is 57022831. The reversal of 57022816 is 61822075.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57022813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39190 + ... + 40618.

It is an arithmetic number, because the mean of its divisors is an integer number (2477475).

Almost surely, 2^57022816 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 57022816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59459400).

57022816 is an abundant number, since it is smaller than the sum of its proper divisors (61895984).

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

57022816 is a wasteful number, since it uses less digits than its factorization.

57022816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 57022816 is about 7551.3453106053. The cubic root of 57022816 is about 384.9014556356.

The spelling of 57022816 in words is "fifty-seven million, twenty-two thousand, eight hundred sixteen".