52647216 has 20 divisors (see below), whose sum is σ = 136005432. Its totient is φ = 17549056.

The previous prime is 52647167. The next prime is 52647227. The reversal of 52647216 is 61274625.

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, 548361 + ... + 548456.

Almost surely, 2^52647216 is an apocalyptic number.

It is an amenable number.

52647216 is an abundant number, since it is smaller than the sum of its proper divisors (83358216).

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

52647216 is a wasteful number, since it uses less digits than its factorization.

52647216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096828 (or 1096822 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 52647216 is about 7255.8401305431. The cubic root of 52647216 is about 374.7932869624.

The spelling of 52647216 in words is "fifty-two million, six hundred forty-seven thousand, two hundred sixteen".