57045443 has 12 divisors (see below), whose sum is σ = 70597008. Its totient is φ = 45133920.

The previous prime is 57045433. The next prime is 57045449. The reversal of 57045443 is 34454075.

It is a de Polignac number, because none of the positive numbers 2^k-57045443 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (57045449) 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, 22928 + ... + 25293.

It is an arithmetic number, because the mean of its divisors is an integer number (5883084).

Almost surely, 2^57045443 is an apocalyptic number.

57045443 is a deficient number, since it is larger than the sum of its proper divisors (13551565).

57045443 is a wasteful number, since it uses less digits than its factorization.

57045443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48254 (or 48241 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 57045443 is about 7552.8433718700. The cubic root of 57045443 is about 384.9523593156.

The spelling of 57045443 in words is "fifty-seven million, forty-five thousand, four hundred forty-three".