57224352 has 96 divisors (see below), whose sum is σ = 159969600. Its totient is φ = 17860608.

The previous prime is 57224347. The next prime is 57224353. The reversal of 57224352 is 25342275.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (57224353) 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 15 ways as a sum of consecutive naturals, for example, 249774 + ... + 250002.

It is an arithmetic number, because the mean of its divisors is an integer number (1666350).

Almost surely, 2^57224352 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 57224352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79984800).

57224352 is an abundant number, since it is smaller than the sum of its proper divisors (102745248).

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

57224352 is a wasteful number, since it uses less digits than its factorization.

57224352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 390 counting only the distinct ones).

The product of its digits is 16800, while the sum is 30.

The square root of 57224352 is about 7564.6779177966. The cubic root of 57224352 is about 385.3543754615.

The spelling of 57224352 in words is "fifty-seven million, two hundred twenty-four thousand, three hundred fifty-two".