550633642343 has 4 divisors (see below), whose sum is σ = 550635151440. Its totient is φ = 550632133248.

The previous prime is 550633642319. The next prime is 550633642367. The reversal of 550633642343 is 343246336055.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (550633642319) and next prime (550633642367).

It is a cyclic number.

It is not a de Polignac number, because 550633642343 - 2²⁸ = 550365206887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550633642294 and 550633642303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550633642303) 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, 172103 + ... + 1063431.

It is an arithmetic number, because the mean of its divisors is an integer number (137658787860).

Almost surely, 2^550633642343 is an apocalyptic number.

550633642343 is a deficient number, since it is larger than the sum of its proper divisors (1509097).

550633642343 is an equidigital number, since it uses as much as digits as its factorization.

550633642343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509096.

The product of its (nonzero) digits is 2332800, while the sum is 44.

Adding to 550633642343 its reverse (343246336055), we get a palindrome (893879978398).

The spelling of 550633642343 in words is "five hundred fifty billion, six hundred thirty-three million, six hundred forty-two thousand, three hundred forty-three".