550469 has 2 divisors, whose sum is σ = 550470. Its totient is φ = 550468.

The previous prime is 550457. The next prime is 550471. The reversal of 550469 is 964055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 438244 + 112225 = 662^2 + 335^2 .

It is a cyclic number.

It is not a de Polignac number, because 550469 - 2⁸ = 550213 is a prime.

It is a super-2 number, since 2×550469² = 606032239922, which contains 22 as substring.

Together with 550471, it forms a pair of twin primes.

It is a Chen prime.

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 550469.

It is not a weakly prime, because it can be changed into another prime (550439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275234 + 275235.

It is an arithmetic number, because the mean of its divisors is an integer number (275235).

2⁵⁵⁰⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

550469 is a deficient number, since it is larger than the sum of its proper divisors (1).

550469 is an equidigital number, since it uses as much as digits as its factorization.

550469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 550469 is about 741.9359810658. The cubic root of 550469 is about 81.9554090300.

It can be divided in two parts, 55046 and 9, that added together give a palindrome (55055).

The spelling of 550469 in words is "five hundred fifty thousand, four hundred sixty-nine".