53225224 has 32 divisors (see below), whose sum is σ = 108501120. Its totient is φ = 24330816.

The previous prime is 53225219. The next prime is 53225261. The reversal of 53225224 is 42252235.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8737 + ... + 13519.

It is an arithmetic number, because the mean of its divisors is an integer number (3390660).

Almost surely, 2^53225224 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 53225224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54250560).

53225224 is an abundant number, since it is smaller than the sum of its proper divisors (55275896).

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

53225224 is a wasteful number, since it uses less digits than its factorization.

53225224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909 (or 4905 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 53225224 is about 7295.5619386035. The cubic root of 53225224 is about 376.1599025631.

Adding to 53225224 its reverse (42252235), we get a palindrome (95477459).

The spelling of 53225224 in words is "fifty-three million, two hundred twenty-five thousand, two hundred twenty-four".