550142 has 8 divisors (see below), whose sum is σ = 844536. Its totient is φ = 268632.

The previous prime is 550139. The next prime is 550163. The reversal of 550142 is 241055.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 550142.

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 550142.

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 3 ways as a sum of consecutive naturals, for example, 3113 + ... + 3284.

It is an arithmetic number, because the mean of its divisors is an integer number (105567).

2⁵⁵⁰¹⁴² is an apocalyptic number.

550142 is a deficient number, since it is larger than the sum of its proper divisors (294394).

550142 is a wasteful number, since it uses less digits than its factorization.

550142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6442.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 550142 is about 741.7155789115. The cubic root of 550142 is about 81.9391775818.

Adding to 550142 its reverse (241055), we get a palindrome (791197).

The spelling of 550142 in words is "five hundred fifty thousand, one hundred forty-two".