45551171 has 2 divisors, whose sum is σ = 45551172. Its totient is φ = 45551170.

The previous prime is 45551153. The next prime is 45551173. The reversal of 45551171 is 17115554.

45551171 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 45551171 - 2¹⁰ = 45550147 is a prime.

It is a Sophie Germain prime.

Together with 45551173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45551173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22775585 + 22775586.

It is an arithmetic number, because the mean of its divisors is an integer number (22775586).

Almost surely, 2^45551171 is an apocalyptic number.

45551171 is a deficient number, since it is larger than the sum of its proper divisors (1).

45551171 is an equidigital number, since it uses as much as digits as its factorization.

45551171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3500, while the sum is 29.

The square root of 45551171 is about 6749.1607626430. The cubic root of 45551171 is about 357.1356314957.

The spelling of 45551171 in words is "forty-five million, five hundred fifty-one thousand, one hundred seventy-one".