550563420233 has 4 divisors (see below), whose sum is σ = 560951409348. Its totient is φ = 540175431120.

The previous prime is 550563420157. The next prime is 550563420257. The reversal of 550563420233 is 332024365055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332024365055 = 5 ⋅66404873011.

It can be written as a sum of positive squares in 2 ways, for example, as 454023958969 + 96539461264 = 673813^2 + 310708^2 .

It is a cyclic number.

It is not a de Polignac number, because 550563420233 - 2²² = 550559225929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550563420263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5193994478 + ... + 5193994583.

It is an arithmetic number, because the mean of its divisors is an integer number (140237852337).

Almost surely, 2^550563420233 is an apocalyptic number.

550563420233 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

550563420233 is a deficient number, since it is larger than the sum of its proper divisors (10387989115).

550563420233 is a wasteful number, since it uses less digits than its factorization.

550563420233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10387989114.

The product of its (nonzero) digits is 324000, while the sum is 38.

Adding to 550563420233 its reverse (332024365055), we get a palindrome (882587785288).

The spelling of 550563420233 in words is "five hundred fifty billion, five hundred sixty-three million, four hundred twenty thousand, two hundred thirty-three".