52065985 has 32 divisors (see below), whose sum is σ = 70536960. Its totient is φ = 36661248.

The previous prime is 52065971. The next prime is 52066037. The reversal of 52065985 is 58956025.

52065985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52065985 - 2⁵ = 52065953 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 166189 + ... + 166501.

It is an arithmetic number, because the mean of its divisors is an integer number (2204280).

Almost surely, 2^52065985 is an apocalyptic number.

It is an amenable number.

52065985 is a deficient number, since it is larger than the sum of its proper divisors (18470975).

52065985 is a wasteful number, since it uses less digits than its factorization.

52065985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 52065985 is about 7215.6763369763. The cubic root of 52065985 is about 373.4089269934.

Adding to 52065985 its sum of digits (40), we get a palindrome (52066025).

The spelling of 52065985 in words is "fifty-two million, sixty-five thousand, nine hundred eighty-five".