550045533 has 4 divisors (see below), whose sum is σ = 733394048. Its totient is φ = 366697020.

The previous prime is 550045511. The next prime is 550045537. The reversal of 550045533 is 335540055.

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.

It is not a de Polignac number, because 550045533 - 2⁶ = 550045469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550045533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550045537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91674253 + ... + 91674258.

It is an arithmetic number, because the mean of its divisors is an integer number (183348512).

Almost surely, 2^550045533 is an apocalyptic number.

It is an amenable number.

550045533 is a deficient number, since it is larger than the sum of its proper divisors (183348515).

550045533 is a wasteful number, since it uses less digits than its factorization.

550045533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183348514.

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 550045533 is about 23453.0495458480. The cubic root of 550045533 is about 819.3438797679.

Adding to 550045533 its reverse (335540055), we get a palindrome (885585588).

The spelling of 550045533 in words is "five hundred fifty million, forty-five thousand, five hundred thirty-three".