57443044 has 12 divisors (see below), whose sum is σ = 100579500. Its totient is φ = 28706048.

The previous prime is 57443041. The next prime is 57443081. The reversal of 57443044 is 44034475.

It can be written as a sum of positive squares in 2 ways, for example, as 54760000 + 2683044 = 7400^2 + 1638^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57442997 and 57443015.

It is not an unprimeable number, because it can be changed into a prime (57443041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10032 + ... + 14680.

It is an arithmetic number, because the mean of its divisors is an integer number (8381625).

Almost surely, 2^57443044 is an apocalyptic number.

It is an amenable number.

57443044 is a deficient number, since it is larger than the sum of its proper divisors (43136456).

57443044 is a wasteful number, since it uses less digits than its factorization.

57443044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7742 (or 7740 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 57443044 is about 7579.1189461573. The cubic root of 57443044 is about 385.8446492003.

The spelling of 57443044 in words is "fifty-seven million, four hundred forty-three thousand, forty-four".