57739965 has 16 divisors (see below), whose sum is σ = 92683008. Its totient is φ = 30694976.

The previous prime is 57739921. The next prime is 57739967. The reversal of 57739965 is 56993775.

It is a cyclic number.

It is not a de Polignac number, because 57739965 - 2¹¹ = 57737917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57739967) 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, 1317 + ... + 10826.

It is an arithmetic number, because the mean of its divisors is an integer number (5792688).

Almost surely, 2^57739965 is an apocalyptic number.

It is an amenable number.

57739965 is a deficient number, since it is larger than the sum of its proper divisors (34943043).

57739965 is a wasteful number, since it uses less digits than its factorization.

57739965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12468.

The product of its digits is 1786050, while the sum is 51.

The square root of 57739965 is about 7598.6817935745. The cubic root of 57739965 is about 386.5083126674.

The spelling of 57739965 in words is "fifty-seven million, seven hundred thirty-nine thousand, nine hundred sixty-five".