551241133 has 16 divisors (see below), whose sum is σ = 605446704. Its totient is φ = 499737600.

The previous prime is 551241109. The next prime is 551241139. The reversal of 551241133 is 331142155.

It is a happy number.

551241133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 147914244 + 403326889 = 12162^2 + 20083^2 .

It is a cyclic number.

It is not a de Polignac number, because 551241133 - 2²¹ = 549143981 is a prime.

It is a super-2 number, since 2×551241133² = 607733573422247378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551241098 and 551241107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551241139) 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, 59191 + ... + 67867.

It is an arithmetic number, because the mean of its divisors is an integer number (37840419).

Almost surely, 2^551241133 is an apocalyptic number.

It is an amenable number.

551241133 is a deficient number, since it is larger than the sum of its proper divisors (54205571).

551241133 is a wasteful number, since it uses less digits than its factorization.

551241133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8832.

The product of its digits is 1800, while the sum is 25.

The square root of 551241133 is about 23478.5249323717. The cubic root of 551241133 is about 819.9371025522.

Adding to 551241133 its reverse (331142155), we get a palindrome (882383288).

The spelling of 551241133 in words is "five hundred fifty-one million, two hundred forty-one thousand, one hundred thirty-three".