52275312 has 60 divisors (see below), whose sum is σ = 148387824. Its totient is φ = 17176320.

The previous prime is 52275299. The next prime is 52275317. The reversal of 52275312 is 21357225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52275317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7668 + ... + 12780.

Almost surely, 2^52275312 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 52275312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74193912).

52275312 is an abundant number, since it is smaller than the sum of its proper divisors (96112512).

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

52275312 is a wasteful number, since it uses less digits than its factorization.

52275312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5198 (or 5189 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 52275312 is about 7230.1668030551. The cubic root of 52275312 is about 373.9086777898.

The spelling of 52275312 in words is "fifty-two million, two hundred seventy-five thousand, three hundred twelve".