55011716171 has 4 divisors (see below), whose sum is σ = 55944118200. Its totient is φ = 54079314144.

The previous prime is 55011716167. The next prime is 55011716203. The reversal of 55011716171 is 17161711055.

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

It is a cyclic number.

It is not a de Polignac number, because 55011716171 - 2² = 55011716167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55011716161) by changing a digit.

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, 466200926 + ... + 466201043.

It is an arithmetic number, because the mean of its divisors is an integer number (13986029550).

Almost surely, 2^55011716171 is an apocalyptic number.

55011716171 is a deficient number, since it is larger than the sum of its proper divisors (932402029).

55011716171 is an equidigital number, since it uses as much as digits as its factorization.

55011716171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932402028.

The product of its (nonzero) digits is 7350, while the sum is 35.

The spelling of 55011716171 in words is "fifty-five billion, eleven million, seven hundred sixteen thousand, one hundred seventy-one".