55043450171 has 2 divisors, whose sum is σ = 55043450172. Its totient is φ = 55043450170.

The previous prime is 55043450123. The next prime is 55043450183. The reversal of 55043450171 is 17105434055.

It is a happy number.

55043450171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55043450171 - 2¹⁸ = 55043188027 is a prime.

It is not a weakly prime, because it can be changed into another prime (55043450071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27521725085 + 27521725086.

It is an arithmetic number, because the mean of its divisors is an integer number (27521725086).

Almost surely, 2^55043450171 is an apocalyptic number.

55043450171 is a deficient number, since it is larger than the sum of its proper divisors (1).

55043450171 is an equidigital number, since it uses as much as digits as its factorization.

55043450171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 55043450171 in words is "fifty-five billion, forty-three million, four hundred fifty thousand, one hundred seventy-one".