53213252 has 12 divisors (see below), whose sum is σ = 95640300. Its totient is φ = 25887456.

The previous prime is 53213233. The next prime is 53213257. The reversal of 53213252 is 25231235.

53213252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47141956 + 6071296 = 6866^2 + 2464^2 .

It is not an unprimeable number, because it can be changed into a prime (53213257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179627 + ... + 179922.

It is an arithmetic number, because the mean of its divisors is an integer number (7970025).

Almost surely, 2^53213252 is an apocalyptic number.

It is an amenable number.

53213252 is a deficient number, since it is larger than the sum of its proper divisors (42427048).

53213252 is a wasteful number, since it uses less digits than its factorization.

53213252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359590 (or 359588 counting only the distinct ones).

The product of its digits is 1800, while the sum is 23.

The square root of 53213252 is about 7294.7413936342. The cubic root of 53213252 is about 376.1316971139.

Adding to 53213252 its reverse (25231235), we get a palindrome (78444487).

The spelling of 53213252 in words is "fifty-three million, two hundred thirteen thousand, two hundred fifty-two".