53344224 has 96 divisors (see below), whose sum is σ = 161028000. Its totient is φ = 17160192.

The previous prime is 53344219. The next prime is 53344231. The reversal of 53344224 is 42244335.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 23992 + ... + 26120.

It is an arithmetic number, because the mean of its divisors is an integer number (1677375).

Almost surely, 2^53344224 is an apocalyptic number.

53344224 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53344224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80514000).

53344224 is an abundant number, since it is smaller than the sum of its proper divisors (107683776).

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

53344224 is a wasteful number, since it uses less digits than its factorization.

53344224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177 (or 2163 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 53344224 is about 7303.7130283165. The cubic root of 53344224 is about 376.4400310829.

Adding to 53344224 its reverse (42244335), we get a palindrome (95588559).

The spelling of 53344224 in words is "fifty-three million, three hundred forty-four thousand, two hundred twenty-four".