57230244 has 36 divisors (see below), whose sum is σ = 144924780. Its totient is φ = 19042560.

The previous prime is 57230237. The next prime is 57230249. The reversal of 57230244 is 44203275.

It can be written as a sum of positive squares in 2 ways, for example, as 20142144 + 37088100 = 4488^2 + 6090^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (57230249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26352 + ... + 28440.

Almost surely, 2^57230244 is an apocalyptic number.

It is an amenable number.

57230244 is an abundant number, since it is smaller than the sum of its proper divisors (87694536).

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

57230244 is a wasteful number, since it uses less digits than its factorization.

57230244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860 (or 2855 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 57230244 is about 7565.0673493367. The cubic root of 57230244 is about 385.3676007754.

The spelling of 57230244 in words is "fifty-seven million, two hundred thirty thousand, two hundred forty-four".