57645889 has 16 divisors (see below), whose sum is σ = 70610688. Its totient is φ = 45980352.

The previous prime is 57645869. The next prime is 57645899. The reversal of 57645889 is 98854675.

It is a cyclic number.

It is not a de Polignac number, because 57645889 - 2⁵ = 57645857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57645869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1119 + ... + 10795.

It is an arithmetic number, because the mean of its divisors is an integer number (4413168).

Almost surely, 2^57645889 is an apocalyptic number.

It is an amenable number.

57645889 is a deficient number, since it is larger than the sum of its proper divisors (12964799).

57645889 is a wasteful number, since it uses less digits than its factorization.

57645889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9744.

The product of its digits is 2419200, while the sum is 52.

The square root of 57645889 is about 7592.4889858333. The cubic root of 57645889 is about 386.2982852816.

The spelling of 57645889 in words is "fifty-seven million, six hundred forty-five thousand, eight hundred eighty-nine".