53133252 has 12 divisors (see below), whose sum is σ = 123977616. Its totient is φ = 17711080.

The previous prime is 53133229. The next prime is 53133259. The reversal of 53133252 is 25233135.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (53133259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2213874 + ... + 2213897.

It is an arithmetic number, because the mean of its divisors is an integer number (10331468).

Almost surely, 2^53133252 is an apocalyptic number.

It is an amenable number.

53133252 is an abundant number, since it is smaller than the sum of its proper divisors (70844364).

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

53133252 is a wasteful number, since it uses less digits than its factorization.

53133252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427778 (or 4427776 counting only the distinct ones).

The product of its digits is 2700, while the sum is 24.

The square root of 53133252 is about 7289.2559291055. The cubic root of 53133252 is about 375.9431123381.

Adding to 53133252 its reverse (25233135), we get a palindrome (78366387).

The spelling of 53133252 in words is "fifty-three million, one hundred thirty-three thousand, two hundred fifty-two".