55275186 has 8 divisors (see below), whose sum is σ = 110550384. Its totient is φ = 18425060.

The previous prime is 55275127. The next prime is 55275221. The reversal of 55275186 is 68157255.

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

55275186 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4606260 + ... + 4606271.

It is an arithmetic number, because the mean of its divisors is an integer number (13818798).

Almost surely, 2^55275186 is an apocalyptic number.

55275186 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55275186 is a wasteful number, since it uses less digits than its factorization.

55275186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9212536.

The product of its digits is 84000, while the sum is 39.

The square root of 55275186 is about 7434.7283743255. The cubic root of 55275186 is about 380.9284453081.

The spelling of 55275186 in words is "fifty-five million, two hundred seventy-five thousand, one hundred eighty-six".