57840265 has 16 divisors (see below), whose sum is σ = 81884160. Its totient is φ = 38381760.

The previous prime is 57840259. The next prime is 57840269. The reversal of 57840265 is 56204875.

It is a happy number.

It is not a de Polignac number, because 57840265 - 2³ = 57840257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57840269) 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, 25570 + ... + 27739.

It is an arithmetic number, because the mean of its divisors is an integer number (5117760).

Almost surely, 2^57840265 is an apocalyptic number.

It is an amenable number.

57840265 is a deficient number, since it is larger than the sum of its proper divisors (24043895).

57840265 is a wasteful number, since it uses less digits than its factorization.

57840265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53352.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 57840265 is about 7605.2787588622. The cubic root of 57840265 is about 386.7319841929.

The spelling of 57840265 in words is "fifty-seven million, eight hundred forty thousand, two hundred sixty-five".