53279664 has 40 divisors (see below), whose sum is σ = 141001392. Its totient is φ = 17326080.

The previous prime is 53279659. The next prime is 53279689. The reversal of 53279664 is 46697235.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11569 + ... + 15504.

Almost surely, 2^53279664 is an apocalyptic number.

It is an amenable number.

53279664 is an abundant number, since it is smaller than the sum of its proper divisors (87721728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53279664 is a wasteful number, since it uses less digits than its factorization.

53279664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27125 (or 27119 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The square root of 53279664 is about 7299.2920204634. The cubic root of 53279664 is about 376.2881072355.

The spelling of 53279664 in words is "fifty-three million, two hundred seventy-nine thousand, six hundred sixty-four".