53311224 has 16 divisors (see below), whose sum is σ = 133278120. Its totient is φ = 17770400.

The previous prime is 53311213. The next prime is 53311231. The reversal of 53311224 is 42211335.

It is a self number, because there is not a number n which added to its sum of digits gives 53311224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110627 + ... + 1110674.

Almost surely, 2^53311224 is an apocalyptic number.

It is an amenable number.

53311224 is an abundant number, since it is smaller than the sum of its proper divisors (79966896).

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

53311224 is a wasteful number, since it uses less digits than its factorization.

53311224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221310 (or 2221306 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 53311224 is about 7301.4535539165. The cubic root of 53311224 is about 376.3623901652.

Adding to 53311224 its reverse (42211335), we get a palindrome (95522559).

It can be divided in two parts, 53311 and 224, that added together give a palindrome (53535).

The spelling of 53311224 in words is "fifty-three million, three hundred eleven thousand, two hundred twenty-four".