52252812 has 72 divisors (see below), whose sum is σ = 140940800. Its totient is φ = 16275168.

The previous prime is 52252799. The next prime is 52252817. The reversal of 52252812 is 21825225.

It is not an unprimeable number, because it can be changed into a prime (52252817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53553 + ... + 54519.

Almost surely, 2^52252812 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 52252812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70470400).

52252812 is an abundant number, since it is smaller than the sum of its proper divisors (88687988).

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

52252812 is a wasteful number, since it uses less digits than its factorization.

52252812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075 (or 1070 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 52252812 is about 7228.6106548907. The cubic root of 52252812 is about 373.8550249772.

The spelling of 52252812 in words is "fifty-two million, two hundred fifty-two thousand, eight hundred twelve".