55505606105 has 4 divisors (see below), whose sum is σ = 66606727332. Its totient is φ = 44404484880.

The previous prime is 55505606081. The next prime is 55505606119. The reversal of 55505606105 is 50160650555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6001136089 + 49504470016 = 77467^2 + 222496^2 .

It is not a de Polignac number, because 55505606105 - 2¹⁶ = 55505540569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5550560606 + ... + 5550560615.

It is an arithmetic number, because the mean of its divisors is an integer number (16651681833).

Almost surely, 2^55505606105 is an apocalyptic number.

It is an amenable number.

55505606105 is a deficient number, since it is larger than the sum of its proper divisors (11101121227).

55505606105 is a wasteful number, since it uses less digits than its factorization.

55505606105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11101121226.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 55505606105 in words is "fifty-five billion, five hundred five million, six hundred six thousand, one hundred five".