550573 has 4 divisors (see below), whose sum is σ = 552348. Its totient is φ = 548800.

The previous prime is 550553. The next prime is 550577. The reversal of 550573 is 375055.

It is a happy number.

550573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 375055 = 5 ⋅75011.

It can be written as a sum of positive squares in 2 ways, for example, as 544644 + 5929 = 738^2 + 77^2 .

It is a cyclic number.

It is not a de Polignac number, because 550573 - 2⁵ = 550541 is a prime.

It is a Duffinian number.

550573 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286 + ... + 1087.

It is an arithmetic number, because the mean of its divisors is an integer number (138087).

2⁵⁵⁰⁵⁷³ is an apocalyptic number.

It is an amenable number.

550573 is a deficient number, since it is larger than the sum of its proper divisors (1775).

550573 is a wasteful number, since it uses less digits than its factorization.

550573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774.

The product of its (nonzero) digits is 2625, while the sum is 25.

The square root of 550573 is about 742.0060646652. The cubic root of 550573 is about 81.9605699781.

The spelling of 550573 in words is "five hundred fifty thousand, five hundred seventy-three".