551353450171 has 2 divisors, whose sum is σ = 551353450172. Its totient is φ = 551353450170.

The previous prime is 551353450169. The next prime is 551353450189. The reversal of 551353450171 is 171054353155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551353450171 - 2¹ = 551353450169 is a prime.

Together with 551353450169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (551353450471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275676725085 + 275676725086.

It is an arithmetic number, because the mean of its divisors is an integer number (275676725086).

Almost surely, 2^551353450171 is an apocalyptic number.

551353450171 is a deficient number, since it is larger than the sum of its proper divisors (1).

551353450171 is an equidigital number, since it uses as much as digits as its factorization.

551353450171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157500, while the sum is 40.

The spelling of 551353450171 in words is "five hundred fifty-one billion, three hundred fifty-three million, four hundred fifty thousand, one hundred seventy-one".