551885 has 8 divisors (see below), whose sum is σ = 691200. Its totient is φ = 422224.

The previous prime is 551861. The next prime is 551909. The reversal of 551885 is 588155.

It is an interprime number because it is at equal distance from previous prime (551861) and next prime (551909).

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

It is a cyclic number.

It is not a de Polignac number, because 551885 - 2¹⁰ = 550861 is a prime.

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 551885.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2285 + ... + 2514.

It is an arithmetic number, because the mean of its divisors is an integer number (86400).

2⁵⁵¹⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

551885 is a deficient number, since it is larger than the sum of its proper divisors (139315).

551885 is a wasteful number, since it uses less digits than its factorization.

551885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4827.

The product of its digits is 8000, while the sum is 32.

The square root of 551885 is about 742.8896284106. The cubic root of 551885 is about 82.0256215791.

The spelling of 551885 in words is "five hundred fifty-one thousand, eight hundred eighty-five".