550366274305 has 4 divisors (see below), whose sum is σ = 660439529172. Its totient is φ = 440293019440.

The previous prime is 550366274267. The next prime is 550366274329. The reversal of 550366274305 is 503472663055.

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 430536759409 + 119829514896 = 656153^2 + 346164^2 .

It is a de Polignac number, because none of the positive numbers 2^k-550366274305 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55036627426 + ... + 55036627435.

It is an arithmetic number, because the mean of its divisors is an integer number (165109882293).

Almost surely, 2^550366274305 is an apocalyptic number.

It is an amenable number.

550366274305 is a deficient number, since it is larger than the sum of its proper divisors (110073254867).

550366274305 is a wasteful number, since it uses less digits than its factorization.

550366274305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110073254866.

The product of its (nonzero) digits is 2268000, while the sum is 46.

The spelling of 550366274305 in words is "five hundred fifty billion, three hundred sixty-six million, two hundred seventy-four thousand, three hundred five".