52775312 has 30 divisors (see below), whose sum is σ = 107928918. Its totient is φ = 24996096.

The previous prime is 52775311. The next prime is 52775341. The reversal of 52775312 is 21357725.

It can be written as a sum of positive squares in only one way, i.e., 29116816 + 23658496 = 5396^2 + 4864^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (52775311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1208 + ... + 10344.

Almost surely, 2^52775312 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 52775312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53964459).

52775312 is an abundant number, since it is smaller than the sum of its proper divisors (55153606).

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

52775312 is a wasteful number, since it uses less digits than its factorization.

52775312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9183 (or 9158 counting only the distinct ones).

The product of its digits is 14700, while the sum is 32.

The square root of 52775312 is about 7264.6618641200. The cubic root of 52775312 is about 375.0970107535.

The spelling of 52775312 in words is "fifty-two million, seven hundred seventy-five thousand, three hundred twelve".