551841 has 8 divisors (see below), whose sum is σ = 761280. Its totient is φ = 355152.

The previous prime is 551813. The next prime is 551843. The reversal of 551841 is 148155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 551841 - 2⁵ = 551809 is a prime.

551841 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 551841.

It is not an unprimeable number, because it can be changed into a prime (551843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3085 + ... + 3258.

It is an arithmetic number, because the mean of its divisors is an integer number (95160).

2⁵⁵¹⁸⁴¹ is an apocalyptic number.

It is an amenable number.

551841 is a deficient number, since it is larger than the sum of its proper divisors (209439).

551841 is a wasteful number, since it uses less digits than its factorization.

551841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6375.

The product of its digits is 800, while the sum is 24.

The square root of 551841 is about 742.8600137307. The cubic root of 551841 is about 82.0234416423.

Adding to 551841 its reverse (148155), we get a palindrome (699996).

The spelling of 551841 in words is "five hundred fifty-one thousand, eight hundred forty-one".