57144089 has 8 divisors (see below), whose sum is σ = 61236000. Its totient is φ = 53133376.

The previous prime is 57144049. The next prime is 57144161. The reversal of 57144089 is 98044175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57144089 - 2²⁴ = 40366873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57144049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18839 + ... + 21660.

It is an arithmetic number, because the mean of its divisors is an integer number (7654500).

Almost surely, 2^57144089 is an apocalyptic number.

It is an amenable number.

57144089 is a deficient number, since it is larger than the sum of its proper divisors (4091911).

57144089 is a wasteful number, since it uses less digits than its factorization.

57144089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40599.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 57144089 is about 7559.3709394367. The cubic root of 57144089 is about 385.1741248681.

The spelling of 57144089 in words is "fifty-seven million, one hundred forty-four thousand, eighty-nine".