55845186 has 16 divisors (see below), whose sum is σ = 112946400. Its totient is φ = 18405728.

The previous prime is 55845151. The next prime is 55845191. The reversal of 55845186 is 68154855.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51756 + ... + 52823.

It is an arithmetic number, because the mean of its divisors is an integer number (7059150).

Almost surely, 2^55845186 is an apocalyptic number.

55845186 is an abundant number, since it is smaller than the sum of its proper divisors (57101214).

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

55845186 is a wasteful number, since it uses less digits than its factorization.

55845186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104673.

The product of its digits is 192000, while the sum is 42.

The square root of 55845186 is about 7472.9636691208. The cubic root of 55845186 is about 382.2333533968.

The spelling of 55845186 in words is "fifty-five million, eight hundred forty-five thousand, one hundred eighty-six".