55556161105 has 8 divisors (see below), whose sum is σ = 66670994664. Its totient is φ = 44442528000.

The previous prime is 55556161103. The next prime is 55556161127. The reversal of 55556161105 is 50116165555.

It can be written as a sum of positive squares in 4 ways, for example, as 5433458944 + 50122702161 = 73712^2 + 223881^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55556161105 - 2¹ = 55556161103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55556161103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194946 + ... + 386155.

It is an arithmetic number, because the mean of its divisors is an integer number (8333874333).

Almost surely, 2^55556161105 is an apocalyptic number.

It is an amenable number.

55556161105 is a deficient number, since it is larger than the sum of its proper divisors (11114833559).

55556161105 is a wasteful number, since it uses less digits than its factorization.

55556161105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600227.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 55556161105 in words is "fifty-five billion, five hundred fifty-six million, one hundred sixty-one thousand, one hundred five".