550633 has 4 divisors (see below), whose sum is σ = 553600. Its totient is φ = 547668.

The previous prime is 550631. The next prime is 550637. The reversal of 550633 is 336055.

550633 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 336055 = 5 ⋅67211.

It is a cyclic number.

It is not a de Polignac number, because 550633 - 2¹ = 550631 is a prime.

It is a Duffinian number.

550633 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (550631) 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, 1185 + ... + 1582.

It is an arithmetic number, because the mean of its divisors is an integer number (138400).

2⁵⁵⁰⁶³³ is an apocalyptic number.

It is an amenable number.

550633 is a deficient number, since it is larger than the sum of its proper divisors (2967).

550633 is a wasteful number, since it uses less digits than its factorization.

550633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 550633 is about 742.0464945002. The cubic root of 550633 is about 81.9635471525.

Adding to 550633 its reverse (336055), we get a palindrome (886688).

The spelling of 550633 in words is "five hundred fifty thousand, six hundred thirty-three".