53124220 has 12 divisors (see below), whose sum is σ = 111560904. Its totient is φ = 21249680.

The previous prime is 53124191. The next prime is 53124251. The reversal of 53124220 is 2242135.

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, 1328086 + ... + 1328125.

It is an arithmetic number, because the mean of its divisors is an integer number (9296742).

Almost surely, 2^53124220 is an apocalyptic number.

It is an amenable number.

53124220 is an abundant number, since it is smaller than the sum of its proper divisors (58436684).

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

53124220 is a wasteful number, since it uses less digits than its factorization.

53124220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656220 (or 2656218 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 53124220 is about 7288.6363608017. The cubic root of 53124220 is about 375.9218092277.

Adding to 53124220 its reverse (2242135), we get a palindrome (55366355).

The spelling of 53124220 in words is "fifty-three million, one hundred twenty-four thousand, two hundred twenty".