53044224 has 88 divisors (see below), whose sum is σ = 146204928. Its totient is φ = 17080320.

The previous prime is 53044223. The next prime is 53044237. The reversal of 53044224 is 42244035.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 53044194 and 53044203.

It is not an unprimeable number, because it can be changed into a prime (53044223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94954 + ... + 95510.

Almost surely, 2^53044224 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 53044224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73102464).

53044224 is an abundant number, since it is smaller than the sum of its proper divisors (93160704).

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

53044224 is a wasteful number, since it uses less digits than its factorization.

53044224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 53044224 is about 7283.1465727390. The cubic root of 53044224 is about 375.7330230943.

Adding to 53044224 its reverse (42244035), we get a palindrome (95288259).

The spelling of 53044224 in words is "fifty-three million, forty-four thousand, two hundred twenty-four".