53111212 has 24 divisors (see below), whose sum is σ = 115879680. Its totient is φ = 20692560.

The previous prime is 53111203. The next prime is 53111237. The reversal of 53111212 is 21211135.

53111212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 85912 + ... + 86527.

It is an arithmetic number, because the mean of its divisors is an integer number (4828320).

Almost surely, 2^53111212 is an apocalyptic number.

It is an amenable number.

53111212 is an abundant number, since it is smaller than the sum of its proper divisors (62768468).

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

53111212 is a wasteful number, since it uses less digits than its factorization.

53111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172461 (or 172459 counting only the distinct ones).

The product of its digits is 60, while the sum is 16.

The square root of 53111212 is about 7287.7439581807. The cubic root of 53111212 is about 375.8911239767.

Adding to 53111212 its reverse (21211135), we get a palindrome (74322347).

The spelling of 53111212 in words is "fifty-three million, one hundred eleven thousand, two hundred twelve".