53239824 has 240 divisors, whose sum is σ = 179899200. Its totient is φ = 14515200.

The previous prime is 53239819. The next prime is 53239829. The reversal of 53239824 is 42893235.

It is an interprime number because it is at equal distance from previous prime (53239819) and next prime (53239829).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (53239829) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 872754 + ... + 872814.

It is an arithmetic number, because the mean of its divisors is an integer number (749580).

Almost surely, 2^53239824 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 53239824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89949600).

53239824 is an abundant number, since it is smaller than the sum of its proper divisors (126659376).

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

53239824 is a wasteful number, since it uses less digits than its factorization.

53239824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 125 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 53239824 is about 7296.5624783181. The cubic root of 53239824 is about 376.1942937288.

The spelling of 53239824 in words is "fifty-three million, two hundred thirty-nine thousand, eight hundred twenty-four".