52325728 has 144 divisors (see below), whose sum is σ = 137549664. Its totient is φ = 19353600.

The previous prime is 52325699. The next prime is 52325747. The reversal of 52325728 is 82752325.

52325728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 52325693 and 52325702.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 346453 + ... + 346603.

It is an arithmetic number, because the mean of its divisors is an integer number (955206).

Almost surely, 2^52325728 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 52325728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68774832).

52325728 is an abundant number, since it is smaller than the sum of its proper divisors (85223936).

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

52325728 is a wasteful number, since it uses less digits than its factorization.

52325728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 190 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 52325728 is about 7233.6524660783. The cubic root of 52325728 is about 374.0288423713.

The spelling of 52325728 in words is "fifty-two million, three hundred twenty-five thousand, seven hundred twenty-eight".