550899 has 6 divisors (see below), whose sum is σ = 795756. Its totient is φ = 367260.

The previous prime is 550861. The next prime is 550903. The reversal of 550899 is 998055.

It is not a de Polignac number, because 550899 - 2¹¹ = 548851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30597 + ... + 30614.

It is an arithmetic number, because the mean of its divisors is an integer number (132626).

2⁵⁵⁰⁸⁹⁹ is an apocalyptic number.

550899 is a deficient number, since it is larger than the sum of its proper divisors (244857).

550899 is a wasteful number, since it uses less digits than its factorization.

550899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61217 (or 61214 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 550899 is about 742.2257069113. The cubic root of 550899 is about 81.9767433551.

The spelling of 550899 in words is "five hundred fifty thousand, eight hundred ninety-nine".