53312312 has 32 divisors (see below), whose sum is σ = 103749120. Its totient is φ = 25655520.

The previous prime is 53312297. The next prime is 53312339. The reversal of 53312312 is 21321335.

It is a super-2 number, since 2×53312312² = 5684405221570688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55823 + ... + 56769.

It is an arithmetic number, because the mean of its divisors is an integer number (3242160).

Almost surely, 2^53312312 is an apocalyptic number.

It is an amenable number.

53312312 is a deficient number, since it is larger than the sum of its proper divisors (50436808).

53312312 is a wasteful number, since it uses less digits than its factorization.

53312312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211 (or 1207 counting only the distinct ones).

The product of its digits is 540, while the sum is 20.

The square root of 53312312 is about 7301.5280592490. The cubic root of 53312312 is about 376.3649504734.

Adding to 53312312 its reverse (21321335), we get a palindrome (74633647).

The spelling of 53312312 in words is "fifty-three million, three hundred twelve thousand, three hundred twelve".