53284224 has 128 divisors (see below), whose sum is σ = 165876480. Its totient is φ = 14837760.

The previous prime is 53284207. The next prime is 53284237. The reversal of 53284224 is 42248235.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53284191 and 53284200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115354 + ... + 115814.

It is an arithmetic number, because the mean of its divisors is an integer number (1295910).

Almost surely, 2^53284224 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 53284224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82938240).

53284224 is an abundant number, since it is smaller than the sum of its proper divisors (112592256).

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

53284224 is a wasteful number, since it uses less digits than its factorization.

53284224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 516 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 53284224 is about 7299.6043728410. The cubic root of 53284224 is about 376.2988419429.

The spelling of 53284224 in words is "fifty-three million, two hundred eighty-four thousand, two hundred twenty-four".