55105102 has 32 divisors (see below), whose sum is σ = 95090688. Its totient is φ = 23750496.

The previous prime is 55105097. The next prime is 55105147. The reversal of 55105102 is 20150155.

55105102 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 55105102.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 24643 + ... + 26785.

It is an arithmetic number, because the mean of its divisors is an integer number (2971584).

Almost surely, 2^55105102 is an apocalyptic number.

55105102 is a deficient number, since it is larger than the sum of its proper divisors (39985586).

55105102 is a wasteful number, since it uses less digits than its factorization.

55105102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 55105102 is about 7423.2810804926. The cubic root of 55105102 is about 380.5373330938.

Adding to 55105102 its reverse (20150155), we get a palindrome (75255257).

The spelling of 55105102 in words is "fifty-five million, one hundred five thousand, one hundred two".