52315986 has 32 divisors (see below), whose sum is σ = 106344000. Its totient is φ = 17156160.

The previous prime is 52315981. The next prime is 52316051. The reversal of 52315986 is 68951325.

52315986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52315981) 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 15 ways as a sum of consecutive naturals, for example, 124056 + ... + 124476.

It is an arithmetic number, because the mean of its divisors is an integer number (3323250).

Almost surely, 2^52315986 is an apocalyptic number.

52315986 is an abundant number, since it is smaller than the sum of its proper divisors (54028014).

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

52315986 is a wasteful number, since it uses less digits than its factorization.

52315986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714.

The product of its digits is 64800, while the sum is 39.

The square root of 52315986 is about 7232.9790543040. The cubic root of 52315986 is about 374.0056287103.

It can be divided in two parts, 52315 and 986, that added together give a triangular number (53301 = T₃₂₆).

The spelling of 52315986 in words is "fifty-two million, three hundred fifteen thousand, nine hundred eighty-six".