53333228 has 48 divisors (see below), whose sum is σ = 110449920. Its totient is φ = 22296384.

The previous prime is 53333197. The next prime is 53333239. The reversal of 53333228 is 82233335.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 53333228.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21551 + ... + 23897.

It is an arithmetic number, because the mean of its divisors is an integer number (2301040).

Almost surely, 2^53333228 is an apocalyptic number.

It is an amenable number.

53333228 is an abundant number, since it is smaller than the sum of its proper divisors (57116692).

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

53333228 is a wasteful number, since it uses less digits than its factorization.

53333228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406 (or 2404 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

The square root of 53333228 is about 7302.9602217183. The cubic root of 53333228 is about 376.4141637461.

The spelling of 53333228 in words is "fifty-three million, three hundred thirty-three thousand, two hundred twenty-eight".