53632224 has 72 divisors (see below), whose sum is σ = 154666512. Its totient is φ = 17625600.

The previous prime is 53632207. The next prime is 53632253. The reversal of 53632224 is 42223635.

53632224 is a `hidden beast` number, since 5 + 3 + 632 + 2 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19749 + ... + 22299.

It is an arithmetic number, because the mean of its divisors is an integer number (2148146).

Almost surely, 2^53632224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53632224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77333256).

53632224 is an abundant number, since it is smaller than the sum of its proper divisors (101034288).

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

53632224 is a wasteful number, since it uses less digits than its factorization.

53632224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640 (or 2629 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 53632224 is about 7323.4024879150. The cubic root of 53632224 is about 377.1162692787.

Adding to 53632224 its reverse (42223635), we get a palindrome (95855859).

The spelling of 53632224 in words is "fifty-three million, six hundred thirty-two thousand, two hundred twenty-four".