550722216650 has 24 divisors (see below), whose sum is σ = 1024364144460. Its totient is φ = 220284408960.

The previous prime is 550722216643. The next prime is 550722216679. The reversal of 550722216650 is 56612227055.

It can be written as a sum of positive squares in 6 ways, for example, as 84652484401 + 466069732249 = 290951^2 + 682693^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 550722216598 and 550722216607.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3574406 + ... + 3725294.

Almost surely, 2^550722216650 is an apocalyptic number.

550722216650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550722216650 is a deficient number, since it is larger than the sum of its proper divisors (473641927810).

550722216650 is a wasteful number, since it uses less digits than its factorization.

550722216650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223898 (or 223893 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

It can be divided in two parts, 55072 and 2216650, that added together give a palindrome (2271722).

The spelling of 550722216650 in words is "five hundred fifty billion, seven hundred twenty-two million, two hundred sixteen thousand, six hundred fifty".