551146211 has 16 divisors (see below), whose sum is σ = 687966720. Its totient is φ = 428950080.

The previous prime is 551146207. The next prime is 551146223. The reversal of 551146211 is 112641155.

551146211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 551146211 - 2² = 551146207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551146201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68330 + ... + 75968.

It is an arithmetic number, because the mean of its divisors is an integer number (42997920).

Almost surely, 2^551146211 is an apocalyptic number.

551146211 is a deficient number, since it is larger than the sum of its proper divisors (136820509).

551146211 is a wasteful number, since it uses less digits than its factorization.

551146211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8594.

The product of its digits is 1200, while the sum is 26.

The square root of 551146211 is about 23476.5033810404. The cubic root of 551146211 is about 819.8900363152.

Adding to 551146211 its reverse (112641155), we get a palindrome (663787366).

The spelling of 551146211 in words is "five hundred fifty-one million, one hundred forty-six thousand, two hundred eleven".