550658 has 16 divisors (see below), whose sum is σ = 892320. Its totient is φ = 254016.

The previous prime is 550657. The next prime is 550661. The reversal of 550658 is 856055.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 550658.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 550658.

It is not an unprimeable number, because it can be changed into a prime (550651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1466 + ... + 1802.

It is an arithmetic number, because the mean of its divisors is an integer number (55770).

2⁵⁵⁰⁶⁵⁸ is an apocalyptic number.

550658 is a deficient number, since it is larger than the sum of its proper divisors (341662).

550658 is a wasteful number, since it uses less digits than its factorization.

550658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 550658 is about 742.0633396146. The cubic root of 550658 is about 81.9647875781.

The spelling of 550658 in words is "five hundred fifty thousand, six hundred fifty-eight".