54445747171 has 2 divisors, whose sum is σ = 54445747172. Its totient is φ = 54445747170.

The previous prime is 54445747087. The next prime is 54445747183. The reversal of 54445747171 is 17174754445.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54445747171 - 2⁷ = 54445747043 is a prime.

It is not a weakly prime, because it can be changed into another prime (54445747571) 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 as a sum of consecutive naturals, namely, 27222873585 + 27222873586.

It is an arithmetic number, because the mean of its divisors is an integer number (27222873586).

Almost surely, 2^54445747171 is an apocalyptic number.

54445747171 is a deficient number, since it is larger than the sum of its proper divisors (1).

54445747171 is an equidigital number, since it uses as much as digits as its factorization.

54445747171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2195200, while the sum is 49.

The spelling of 54445747171 in words is "fifty-four billion, four hundred forty-five million, seven hundred forty-seven thousand, one hundred seventy-one".