57224132 has 12 divisors (see below), whose sum is σ = 114448320. Its totient is φ = 24524616.

The previous prime is 57224131. The next prime is 57224137. The reversal of 57224132 is 23142275.

57224132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

57224132 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (57224131) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1021832 + ... + 1021887.

It is an arithmetic number, because the mean of its divisors is an integer number (9537360).

Almost surely, 2^57224132 is an apocalyptic number.

It is an amenable number.

57224132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57224132 is a wasteful number, since it uses less digits than its factorization.

57224132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043730 (or 2043728 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 57224132 is about 7564.6633765158. The cubic root of 57224132 is about 385.3538816270.

The spelling of 57224132 in words is "fifty-seven million, two hundred twenty-four thousand, one hundred thirty-two".