55102185 has 72 divisors (see below), whose sum is σ = 107278080. Its totient is φ = 26085888.

The previous prime is 55102129. The next prime is 55102193. The reversal of 55102185 is 58120155.

55102185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55102185 - 2⁶ = 55102121 is a prime.

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 71 ways as a sum of consecutive naturals, for example, 246984 + ... + 247206.

Almost surely, 2^55102185 is an apocalyptic number.

It is an amenable number.

55102185 is a deficient number, since it is larger than the sum of its proper divisors (52175895).

55102185 is a wasteful number, since it uses less digits than its factorization.

55102185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 55102185 is about 7423.0846014309. The cubic root of 55102185 is about 380.5306183678.

The spelling of 55102185 in words is "fifty-five million, one hundred two thousand, one hundred eighty-five".