52128368 has 20 divisors (see below), whose sum is σ = 102136320. Its totient is φ = 25770624.

The previous prime is 52128361. The next prime is 52128379. The reversal of 52128368 is 86382125.

52128368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52128361) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16880 + ... + 19727.

It is an arithmetic number, because the mean of its divisors is an integer number (5106816).

Almost surely, 2^52128368 is an apocalyptic number.

It is an amenable number.

52128368 is a deficient number, since it is larger than the sum of its proper divisors (50007952).

52128368 is a wasteful number, since it uses less digits than its factorization.

52128368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36704 (or 36698 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 52128368 is about 7219.9977839332. The cubic root of 52128368 is about 373.5580011082.

The spelling of 52128368 in words is "fifty-two million, one hundred twenty-eight thousand, three hundred sixty-eight".