57445159 has 4 divisors (see below), whose sum is σ = 60824304. Its totient is φ = 54066016.

The previous prime is 57445153. The next prime is 57445187. The reversal of 57445159 is 95154475.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57445159 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57445153) 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, 1689547 + ... + 1689580.

It is an arithmetic number, because the mean of its divisors is an integer number (15206076).

Almost surely, 2^57445159 is an apocalyptic number.

57445159 is a deficient number, since it is larger than the sum of its proper divisors (3379145).

57445159 is a wasteful number, since it uses less digits than its factorization.

57445159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379144.

The product of its digits is 126000, while the sum is 40.

The square root of 57445159 is about 7579.2584729642. The cubic root of 57445159 is about 385.8493846237.

The spelling of 57445159 in words is "fifty-seven million, four hundred forty-five thousand, one hundred fifty-nine".