52385772 has 48 divisors (see below), whose sum is σ = 129935232. Its totient is φ = 16369920.

The previous prime is 52385737. The next prime is 52385779. The reversal of 52385772 is 27758325.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 52385772.

It is not an unprimeable number, because it can be changed into a prime (52385779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99903 + ... + 100425.

It is an arithmetic number, because the mean of its divisors is an integer number (2706984).

Almost surely, 2^52385772 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 52385772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64967616).

52385772 is an abundant number, since it is smaller than the sum of its proper divisors (77549460).

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

52385772 is a wasteful number, since it uses less digits than its factorization.

52385772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 1036 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 52385772 is about 7237.8015999335. The cubic root of 52385772 is about 374.1718542564.

The spelling of 52385772 in words is "fifty-two million, three hundred eighty-five thousand, seven hundred seventy-two".