53639216 has 20 divisors (see below), whose sum is σ = 110039832. Its totient is φ = 25241856.

The previous prime is 53639177. The next prime is 53639237. The reversal of 53639216 is 61293635.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98330 + ... + 98873.

Almost surely, 2^53639216 is an apocalyptic number.

It is an amenable number.

53639216 is an abundant number, since it is smaller than the sum of its proper divisors (56400616).

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

53639216 is a wasteful number, since it uses less digits than its factorization.

53639216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197228 (or 197222 counting only the distinct ones).

The product of its digits is 29160, while the sum is 35.

The square root of 53639216 is about 7323.8798460925. The cubic root of 53639216 is about 377.1326567052.

The spelling of 53639216 in words is "fifty-three million, six hundred thirty-nine thousand, two hundred sixteen".