551802 has 8 divisors (see below), whose sum is σ = 1103616. Its totient is φ = 183932.

The previous prime is 551801. The next prime is 551809. The reversal of 551802 is 208155.

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

551802 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 551802.

It is not an unprimeable number, because it can be changed into a prime (551801) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 45978 + ... + 45989.

It is an arithmetic number, because the mean of its divisors is an integer number (137952).

2⁵⁵¹⁸⁰² is an apocalyptic number.

551802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551802 is a wasteful number, since it uses less digits than its factorization.

551802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91972.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 551802 is about 742.8337633684. The cubic root of 551802 is about 82.0215093287.

Adding to 551802 its reverse (208155), we get a palindrome (759957).

The spelling of 551802 in words is "five hundred fifty-one thousand, eight hundred two".