55448185 has 8 divisors (see below), whose sum is σ = 71656200. Its totient is φ = 40946304.

The previous prime is 55448179. The next prime is 55448201. The reversal of 55448185 is 58184455.

It is a happy number.

55448185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 495616 + 54952569 = 704^2 + 7413^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55448185 - 2³ = 55448177 is a prime.

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, 426460 + ... + 426589.

It is an arithmetic number, because the mean of its divisors is an integer number (8957025).

Almost surely, 2^55448185 is an apocalyptic number.

It is an amenable number.

55448185 is a deficient number, since it is larger than the sum of its proper divisors (16208015).

55448185 is a wasteful number, since it uses less digits than its factorization.

55448185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853067.

The product of its digits is 128000, while the sum is 40.

The square root of 55448185 is about 7446.3538057226. The cubic root of 55448185 is about 381.3254384447.

The spelling of 55448185 in words is "fifty-five million, four hundred forty-eight thousand, one hundred eighty-five".