57443244 has 12 divisors (see below), whose sum is σ = 134034264. Its totient is φ = 19147744.

The previous prime is 57443237. The next prime is 57443257. The reversal of 57443244 is 44234475.

57443244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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, 2393457 + ... + 2393480.

It is an arithmetic number, because the mean of its divisors is an integer number (11169522).

Almost surely, 2^57443244 is an apocalyptic number.

It is an amenable number.

57443244 is an abundant number, since it is smaller than the sum of its proper divisors (76591020).

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

57443244 is a wasteful number, since it uses less digits than its factorization.

57443244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786944 (or 4786942 counting only the distinct ones).

The product of its digits is 53760, while the sum is 33.

The square root of 57443244 is about 7579.1321402915. The cubic root of 57443244 is about 385.8450969994.

The spelling of 57443244 in words is "fifty-seven million, four hundred forty-three thousand, two hundred forty-four".