53515224 has 48 divisors (see below), whose sum is σ = 165643920. Its totient is φ = 15289920.

The previous prime is 53515223. The next prime is 53515249. The reversal of 53515224 is 42251535.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53515223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52587 + ... + 53594.

It is an arithmetic number, because the mean of its divisors is an integer number (3450915).

Almost surely, 2^53515224 is an apocalyptic number.

It is an amenable number.

53515224 is an abundant number, since it is smaller than the sum of its proper divisors (112128696).

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

53515224 is a wasteful number, since it uses less digits than its factorization.

53515224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106200 (or 106193 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 53515224 is about 7315.4100363548. The cubic root of 53515224 is about 376.8418401887.

Adding to 53515224 its reverse (42251535), we get a palindrome (95766759).

The spelling of 53515224 in words is "fifty-three million, five hundred fifteen thousand, two hundred twenty-four".