5547478171 has 2 divisors, whose sum is σ = 5547478172. Its totient is φ = 5547478170.

The previous prime is 5547478099. The next prime is 5547478177. The reversal of 5547478171 is 1718747455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5547478171 - 2¹³ = 5547469979 is a prime.

It is not a weakly prime, because it can be changed into another prime (5547478177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2773739085 + 2773739086.

It is an arithmetic number, because the mean of its divisors is an integer number (2773739086).

Almost surely, 2^5547478171 is an apocalyptic number.

5547478171 is a deficient number, since it is larger than the sum of its proper divisors (1).

5547478171 is an equidigital number, since it uses as much as digits as its factorization.

5547478171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1097600, while the sum is 49.

The square root of 5547478171 is about 74481.3947976271. The cubic root of 5547478171 is about 1770.2388487831.

The spelling of 5547478171 in words is "five billion, five hundred forty-seven million, four hundred seventy-eight thousand, one hundred seventy-one".