57354216 has 64 divisors (see below), whose sum is σ = 149422080. Its totient is φ = 18325440.

The previous prime is 57354191. The next prime is 57354221. The reversal of 57354216 is 61245375.

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, 94185 + ... + 94791.

It is an arithmetic number, because the mean of its divisors is an integer number (2334720).

Almost surely, 2^57354216 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 57354216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74711040).

57354216 is an abundant number, since it is smaller than the sum of its proper divisors (92067864).

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

57354216 is a wasteful number, since it uses less digits than its factorization.

57354216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 770 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 57354216 is about 7573.2566310670. The cubic root of 57354216 is about 385.6456608463.

The spelling of 57354216 in words is "fifty-seven million, three hundred fifty-four thousand, two hundred sixteen".