53564224 has 28 divisors (see below), whose sum is σ = 121477024. Its totient is φ = 22955904.

The previous prime is 53564219. The next prime is 53564227. The reversal of 53564224 is 42246535.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53564227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59334 + ... + 60229.

Almost surely, 2^53564224 is an apocalyptic number.

It is an amenable number.

53564224 is an abundant number, since it is smaller than the sum of its proper divisors (67912800).

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

53564224 is a wasteful number, since it uses less digits than its factorization.

53564224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119582 (or 119572 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 53564224 is about 7318.7583646408. The cubic root of 53564224 is about 376.9568206615.

The spelling of 53564224 in words is "fifty-three million, five hundred sixty-four thousand, two hundred twenty-four".