550773206365 has 4 divisors (see below), whose sum is σ = 660927847644. Its totient is φ = 440618565088.

The previous prime is 550773206359. The next prime is 550773206393. The reversal of 550773206365 is 563602377055.

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 68122044004 + 482651162361 = 261002^2 + 694731^2 .

It is a cyclic number.

It is not a de Polignac number, because 550773206365 - 2¹⁵ = 550773173597 is a prime.

It is a super-2 number, since 2×550773206365² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55077320632 + ... + 55077320641.

It is an arithmetic number, because the mean of its divisors is an integer number (165231961911).

Almost surely, 2^550773206365 is an apocalyptic number.

It is an amenable number.

550773206365 is a deficient number, since it is larger than the sum of its proper divisors (110154641279).

550773206365 is a wasteful number, since it uses less digits than its factorization.

550773206365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110154641278.

The product of its (nonzero) digits is 3969000, while the sum is 49.

The spelling of 550773206365 in words is "five hundred fifty billion, seven hundred seventy-three million, two hundred six thousand, three hundred sixty-five".