53228624 has 40 divisors (see below), whose sum is σ = 108683520. Its totient is φ = 25204608.

The previous prime is 53228599. The next prime is 53228657. The reversal of 53228624 is 42682235.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39449 + ... + 40775.

It is an arithmetic number, because the mean of its divisors is an integer number (2717088).

Almost surely, 2^53228624 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 53228624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54341760).

53228624 is an abundant number, since it is smaller than the sum of its proper divisors (55454896).

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

53228624 is a wasteful number, since it uses less digits than its factorization.

53228624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467 (or 1461 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 53228624 is about 7295.7949532590. The cubic root of 53228624 is about 376.1679120264.

The spelling of 53228624 in words is "fifty-three million, two hundred twenty-eight thousand, six hundred twenty-four".