550659 has 8 divisors (see below), whose sum is σ = 739152. Its totient is φ = 364640.

The previous prime is 550657. The next prime is 550661. The reversal of 550659 is 956055.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (550657) and next prime (550661).

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

It is a cyclic number.

It is not a de Polignac number, because 550659 - 2¹ = 550657 is a prime.

It is a plaindrome in base 11.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12 + ... + 1049.

It is an arithmetic number, because the mean of its divisors is an integer number (92394).

2⁵⁵⁰⁶⁵⁹ is an apocalyptic number.

550659 is a deficient number, since it is larger than the sum of its proper divisors (188493).

550659 is a wasteful number, since it uses less digits than its factorization.

550659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237.

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 550659 is about 742.0640134112. The cubic root of 550659 is about 81.9648371943.

It can be divided in two parts, 5506 and 59, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 550659 in words is "five hundred fifty thousand, six hundred fifty-nine".