550669 has 8 divisors (see below), whose sum is σ = 636608. Its totient is φ = 466560.

The previous prime is 550663. The next prime is 550679. The reversal of 550669 is 966055.

It is a happy number.

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 550669 - 2³ = 550661 is a prime.

It is a super-2 number, since 2×550669² = 606472695122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550661) 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, 274 + ... + 1084.

It is an arithmetic number, because the mean of its divisors is an integer number (79576).

2⁵⁵⁰⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

550669 is a deficient number, since it is larger than the sum of its proper divisors (85939).

550669 is an equidigital number, since it uses as much as digits as its factorization.

550669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 550669 is about 742.0707513438. The cubic root of 550669 is about 81.9653333534.

It can be divided in two parts, 55066 and 9, that multiplied together give a palindrome (495594).

The spelling of 550669 in words is "five hundred fifty thousand, six hundred sixty-nine".