53568312 has 64 divisors (see below), whose sum is σ = 153619200. Its totient is φ = 15248640.

The previous prime is 53568301. The next prime is 53568313. The reversal of 53568312 is 21386535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53568313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70012 + ... + 70772.

It is an arithmetic number, because the mean of its divisors is an integer number (2400300).

Almost surely, 2^53568312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53568312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76809600).

53568312 is an abundant number, since it is smaller than the sum of its proper divisors (100050888).

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

53568312 is a wasteful number, since it uses less digits than its factorization.

53568312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196 (or 1192 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 53568312 is about 7319.0376416575. The cubic root of 53568312 is about 376.9664101484.

The spelling of 53568312 in words is "fifty-three million, five hundred sixty-eight thousand, three hundred twelve".