551133 has 24 divisors (see below), whose sum is σ = 917280. Its totient is φ = 315360.

The previous prime is 551129. The next prime is 551143. The reversal of 551133 is 331155.

It is a happy number.

551133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551133 - 2² = 551129 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 551133.

It is not an unprimeable number, because it can be changed into a prime (551113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1735 + ... + 2027.

It is an arithmetic number, because the mean of its divisors is an integer number (38220).

2⁵⁵¹¹³³ is an apocalyptic number.

It is an amenable number.

551133 is a deficient number, since it is larger than the sum of its proper divisors (366147).

551133 is a wasteful number, since it uses less digits than its factorization.

551133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 326 counting only the distinct ones).

The product of its digits is 225, while the sum is 18.

The square root of 551133 is about 742.3833241662. The cubic root of 551133 is about 81.9883485329.

Adding to 551133 its reverse (331155), we get a palindrome (882288).

The spelling of 551133 in words is "five hundred fifty-one thousand, one hundred thirty-three".