105550055 has 8 divisors (see below), whose sum is σ = 136403232. Its totient is φ = 77944608.

The previous prime is 105550051. The next prime is 105550061. The reversal of 105550055 is 550055501.

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 105550055 - 2² = 105550051 is a prime.

It is a super-2 number, since 2×105550055² = 22281628221006050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105550051) by changing a digit.

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, 811859 + ... + 811988.

It is an arithmetic number, because the mean of its divisors is an integer number (17050404).

Almost surely, 2^105550055 is an apocalyptic number.

105550055 is a deficient number, since it is larger than the sum of its proper divisors (30853177).

105550055 is a wasteful number, since it uses less digits than its factorization.

105550055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623865.

The product of its (nonzero) digits is 3125, while the sum is 26.

The square root of 105550055 is about 10273.7556424124. The cubic root of 105550055 is about 472.5917703854.

It can be divided in two parts, 105 and 550055, that multiplied together give a palindrome (57755775).

The spelling of 105550055 in words is "one hundred five million, five hundred fifty thousand, fifty-five".