550546021303 has 4 divisors (see below), whose sum is σ = 552179689360. Its totient is φ = 548912353248.

The previous prime is 550546021301. The next prime is 550546021313. The reversal of 550546021303 is 303120645055.

550546021303 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.

It is a cyclic number.

It is not a de Polignac number, because 550546021303 - 2¹ = 550546021301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550546021301) 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, 816833523 + ... + 816834196.

It is an arithmetic number, because the mean of its divisors is an integer number (138044922340).

Almost surely, 2^550546021303 is an apocalyptic number.

550546021303 is a deficient number, since it is larger than the sum of its proper divisors (1633668057).

550546021303 is a wasteful number, since it uses less digits than its factorization.

550546021303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633668056.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 550546021303 its reverse (303120645055), we get a palindrome (853666666358).

The spelling of 550546021303 in words is "five hundred fifty billion, five hundred forty-six million, twenty-one thousand, three hundred three".