105565055 has 16 divisors (see below), whose sum is σ = 135005184. Its totient is φ = 79057440.

The previous prime is 105565051. The next prime is 105565091. The reversal of 105565055 is 550565501.

It is not a de Polignac number, because 105565055 - 2² = 105565051 is a prime.

It is a super-2 number, since 2×105565055² = 22287961674306050, 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 (105565051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4361 + ... + 15170.

It is an arithmetic number, because the mean of its divisors is an integer number (8437824).

Almost surely, 2^105565055 is an apocalyptic number.

105565055 is a deficient number, since it is larger than the sum of its proper divisors (29440129).

105565055 is a wasteful number, since it uses less digits than its factorization.

105565055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19606.

The product of its (nonzero) digits is 18750, while the sum is 32.

The square root of 105565055 is about 10274.4856318942. The cubic root of 105565055 is about 472.6141564176.

The spelling of 105565055 in words is "one hundred five million, five hundred sixty-five thousand, fifty-five".