52518818 has 16 divisors (see below), whose sum is σ = 86621184. Its totient is φ = 23682960.

The previous prime is 52518803. The next prime is 52518839. The reversal of 52518818 is 81881525.

52518818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 6605 + ... + 12192.

It is an arithmetic number, because the mean of its divisors is an integer number (5413824).

Almost surely, 2^52518818 is an apocalyptic number.

52518818 is a deficient number, since it is larger than the sum of its proper divisors (34102366).

52518818 is a wasteful number, since it uses less digits than its factorization.

52518818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18937.

The product of its digits is 25600, while the sum is 38.

The square root of 52518818 is about 7246.9868221213. The cubic root of 52518818 is about 374.4883523026.

The spelling of 52518818 in words is "fifty-two million, five hundred eighteen thousand, eight hundred eighteen".