53125212 has 48 divisors (see below), whose sum is σ = 144569600. Its totient is φ = 15177456.

The previous prime is 53125207. The next prime is 53125213. The reversal of 53125212 is 21252135.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53125213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2338 + ... + 10569.

Almost surely, 2^53125212 is an apocalyptic number.

It is an amenable number.

53125212 is an abundant number, since it is smaller than the sum of its proper divisors (91444388).

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

53125212 is a wasteful number, since it uses less digits than its factorization.

53125212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12935 (or 12919 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 53125212 is about 7288.7044116221. The cubic root of 53125212 is about 375.9241491027.

Adding to 53125212 its reverse (21252135), we get a palindrome (74377347).

The spelling of 53125212 in words is "fifty-three million, one hundred twenty-five thousand, two hundred twelve".