52985772 has 96 divisors (see below), whose sum is σ = 158681600. Its totient is φ = 14976576.

The previous prime is 52985771. The next prime is 52985819. The reversal of 52985772 is 27758925.

It is a happy number.

52985772 is a `hidden beast` number, since 529 + 8 + 57 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (52985771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82083 + ... + 82725.

Almost surely, 2^52985772 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 52985772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79340800).

52985772 is an abundant number, since it is smaller than the sum of its proper divisors (105695828).

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

52985772 is a wasteful number, since it uses less digits than its factorization.

52985772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772 (or 764 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 52985772 is about 7279.1326406379. The cubic root of 52985772 is about 375.5949595624.

The spelling of 52985772 in words is "fifty-two million, nine hundred eighty-five thousand, seven hundred seventy-two".