550450057063273 has 4 divisors (see below), whose sum is σ = 582829472184660. Its totient is φ = 518070641941888.

The previous prime is 550450057063261. The next prime is 550450057063351. The reversal of 550450057063273 is 372360750054055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 501724743019369 + 48725314043904 = 22399213^2 + 6980352^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550450057063273 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 550450057063273.

It is not an unprimeable number, because it can be changed into a prime (550450057064273) 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, 16189707560668 + ... + 16189707560701.

It is an arithmetic number, because the mean of its divisors is an integer number (145707368046165).

Almost surely, 2^{550450057063273} is an apocalyptic number.

It is an amenable number.

550450057063273 is a deficient number, since it is larger than the sum of its proper divisors (32379415121387).

550450057063273 is a wasteful number, since it uses less digits than its factorization.

550450057063273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32379415121386.

The product of its (nonzero) digits is 13230000, while the sum is 52.

The spelling of 550450057063273 in words is "five hundred fifty trillion, four hundred fifty billion, fifty-seven million, sixty-three thousand, two hundred seventy-three".