52213018 has 32 divisors (see below), whose sum is σ = 97433280. Its totient is φ = 20616960.

The previous prime is 52212989. The next prime is 52213039. The reversal of 52213018 is 81031225.

52213018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a self number, because there is not a number n which added to its sum of digits gives 52213018.

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 15 ways as a sum of consecutive naturals, for example, 508 + ... + 10231.

It is an arithmetic number, because the mean of its divisors is an integer number (3044790).

Almost surely, 2^52213018 is an apocalyptic number.

52213018 is a deficient number, since it is larger than the sum of its proper divisors (45220262).

52213018 is a wasteful number, since it uses less digits than its factorization.

52213018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10782.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 52213018 is about 7225.8575961612. The cubic root of 52213018 is about 373.7600956994.

The spelling of 52213018 in words is "fifty-two million, two hundred thirteen thousand, eighteen".