550447 has 2 divisors, whose sum is σ = 550448. Its totient is φ = 550446.

The previous prime is 550441. The next prime is 550457. The reversal of 550447 is 744055.

550447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550447 - 2³ = 550439 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275223 + 275224.

It is an arithmetic number, because the mean of its divisors is an integer number (275224).

2⁵⁵⁰⁴⁴⁷ is an apocalyptic number.

550447 is a deficient number, since it is larger than the sum of its proper divisors (1).

550447 is an equidigital number, since it uses as much as digits as its factorization.

550447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 550447 is about 741.9211548406. The cubic root of 550447 is about 81.9543172077.

The spelling of 550447 in words is "five hundred fifty thousand, four hundred forty-seven".