57664835 has 4 divisors (see below), whose sum is σ = 69197808. Its totient is φ = 46131864.

The previous prime is 57664813. The next prime is 57664891. The reversal of 57664835 is 53846675.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57664835 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5766479 + ... + 5766488.

It is an arithmetic number, because the mean of its divisors is an integer number (17299452).

Almost surely, 2^57664835 is an apocalyptic number.

57664835 is a deficient number, since it is larger than the sum of its proper divisors (11532973).

57664835 is a wasteful number, since it uses less digits than its factorization.

57664835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11532972.

The product of its digits is 604800, while the sum is 44.

The square root of 57664835 is about 7593.7365637741. The cubic root of 57664835 is about 386.3406011390.

It can be divided in two parts, 5766 and 4835, that added together give a palindrome (10601).

The spelling of 57664835 in words is "fifty-seven million, six hundred sixty-four thousand, eight hundred thirty-five".