57144689 has 16 divisors (see below), whose sum is σ = 66566016. Its totient is φ = 48048000.

The previous prime is 57144671. The next prime is 57144697. The reversal of 57144689 is 98644175.

It is not a de Polignac number, because 57144689 - 2²⁴ = 40367473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57144649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92309 + ... + 92925.

It is an arithmetic number, because the mean of its divisors is an integer number (4160376).

Almost surely, 2^57144689 is an apocalyptic number.

It is an amenable number.

57144689 is a deficient number, since it is larger than the sum of its proper divisors (9421327).

57144689 is a wasteful number, since it uses less digits than its factorization.

57144689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856.

The product of its digits is 241920, while the sum is 44.

The square root of 57144689 is about 7559.4106251744. The cubic root of 57144689 is about 385.1754729438.

The spelling of 57144689 in words is "fifty-seven million, one hundred forty-four thousand, six hundred eighty-nine".