550441344150403 has 4 divisors (see below), whose sum is σ = 550516778081800. Its totient is φ = 550365910219008.

The previous prime is 550441344150359. The next prime is 550441344150457. The reversal of 550441344150403 is 304051443144055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550441344150403 - 2³³ = 550432754215811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550441344150403.

It is not an unprimeable number, because it can be changed into a prime (550441344157403) 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, 37716954753 + ... + 37716969346.

It is an arithmetic number, because the mean of its divisors is an integer number (137629194520450).

Almost surely, 2^{550441344150403} is an apocalyptic number.

550441344150403 is a deficient number, since it is larger than the sum of its proper divisors (75433931397).

550441344150403 is an equidigital number, since it uses as much as digits as its factorization.

550441344150403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75433931396.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 550441344150403 its reverse (304051443144055), we get a palindrome (854492787294458).

The spelling of 550441344150403 in words is "five hundred fifty trillion, four hundred forty-one billion, three hundred forty-four million, one hundred fifty thousand, four hundred three".