52845772 has 48 divisors (see below), whose sum is σ = 110315520. Its totient is φ = 21672000.

The previous prime is 52845763. The next prime is 52845787. The reversal of 52845772 is 27754825.

It is a happy number.

52845772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122397 + ... + 122827.

It is an arithmetic number, because the mean of its divisors is an integer number (2298240).

Almost surely, 2^52845772 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 52845772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55157760).

52845772 is an abundant number, since it is smaller than the sum of its proper divisors (57469748).

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

52845772 is a wasteful number, since it uses less digits than its factorization.

52845772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 620 counting only the distinct ones).

The product of its digits is 156800, while the sum is 40.

The square root of 52845772 is about 7269.5097496324. The cubic root of 52845772 is about 375.2638664366.

It can be divided in two parts, 528457 and 72, that added together give a square (528529 = 727²).

The spelling of 52845772 in words is "fifty-two million, eight hundred forty-five thousand, seven hundred seventy-two".