53665296 has 20 divisors (see below), whose sum is σ = 138635472. Its totient is φ = 17888416.

The previous prime is 53665289. The next prime is 53665319. The reversal of 53665296 is 69256635.

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, 558966 + ... + 559061.

Almost surely, 2^53665296 is an apocalyptic number.

It is an amenable number.

53665296 is an abundant number, since it is smaller than the sum of its proper divisors (84970176).

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

53665296 is a wasteful number, since it uses less digits than its factorization.

53665296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118038 (or 1118032 counting only the distinct ones).

The product of its digits is 291600, while the sum is 42.

The square root of 53665296 is about 7325.6601067754. The cubic root of 53665296 is about 377.1937688714.

The spelling of 53665296 in words is "fifty-three million, six hundred sixty-five thousand, two hundred ninety-six".