52328385 has 12 divisors (see below), whose sum is σ = 90702612. Its totient is φ = 27908448.

The previous prime is 52328369. The next prime is 52328389. The reversal of 52328385 is 58382325.

It can be written as a sum of positive squares in 2 ways, for example, as 5419584 + 46908801 = 2328^2 + 6849^2 .

It is not a de Polignac number, because 52328385 - 2⁴ = 52328369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52328389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 581382 + ... + 581471.

It is an arithmetic number, because the mean of its divisors is an integer number (7558551).

Almost surely, 2^52328385 is an apocalyptic number.

It is an amenable number.

52328385 is a deficient number, since it is larger than the sum of its proper divisors (38374227).

52328385 is a wasteful number, since it uses less digits than its factorization.

52328385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162864 (or 1162861 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 52328385 is about 7233.8361192385. The cubic root of 52328385 is about 374.0351730863.

The spelling of 52328385 in words is "fifty-two million, three hundred twenty-eight thousand, three hundred eighty-five".