550842 has 8 divisors (see below), whose sum is σ = 1101696. Its totient is φ = 183612.

The previous prime is 550841. The next prime is 550843. The reversal of 550842 is 248055.

It is an interprime number because it is at equal distance from previous prime (550841) and next prime (550843).

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

550842 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (550841) 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, 45898 + ... + 45909.

It is an arithmetic number, because the mean of its divisors is an integer number (137712).

2⁵⁵⁰⁸⁴² is an apocalyptic number.

550842 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.

550842 is a wasteful number, since it uses less digits than its factorization.

550842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91812.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 550842 is about 742.1873078947. The cubic root of 550842 is about 81.9739159550.

Adding to 550842 its reverse (248055), we get a palindrome (798897).

The spelling of 550842 in words is "five hundred fifty thousand, eight hundred forty-two".