52155418 has 16 divisors (see below), whose sum is σ = 94115520. Its totient is φ = 21175776.

The previous prime is 52155407. The next prime is 52155449. The reversal of 52155418 is 81455125.

52155418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 52155418.

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, 97771 + ... + 98302.

It is an arithmetic number, because the mean of its divisors is an integer number (5882220).

Almost surely, 2^52155418 is an apocalyptic number.

52155418 is a deficient number, since it is larger than the sum of its proper divisors (41960102).

52155418 is a wasteful number, since it uses less digits than its factorization.

52155418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196101.

The product of its digits is 8000, while the sum is 31.

The square root of 52155418 is about 7221.8708102541. The cubic root of 52155418 is about 373.6226044263.

The spelling of 52155418 in words is "fifty-two million, one hundred fifty-five thousand, four hundred eighteen".