53224512 has 168 divisors, whose sum is σ = 162153600. Its totient is φ = 15375360.

The previous prime is 53224487. The next prime is 53224517. The reversal of 53224512 is 21542235.

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

It is not an unprimeable number, because it can be changed into a prime (53224517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 673689 + ... + 673767.

It is an arithmetic number, because the mean of its divisors is an integer number (965200).

Almost surely, 2^53224512 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 53224512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81076800).

53224512 is an abundant number, since it is smaller than the sum of its proper divisors (108929088).

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

53224512 is a wasteful number, since it uses less digits than its factorization.

53224512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 124 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 53224512 is about 7295.5131416508. The cubic root of 53224512 is about 376.1582252440.

Adding to 53224512 its reverse (21542235), we get a palindrome (74766747).

The spelling of 53224512 in words is "fifty-three million, two hundred twenty-four thousand, five hundred twelve".