550346134403 has 12 divisors (see below), whose sum is σ = 601658522640. Its totient is φ = 500429497392.

The previous prime is 550346134381. The next prime is 550346134411. The reversal of 550346134403 is 304431643055.

It is a de Polignac number, because none of the positive numbers 2^k-550346134403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550346134483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4656983 + ... + 4773696.

It is an arithmetic number, because the mean of its divisors is an integer number (50138210220).

Almost surely, 2^550346134403 is an apocalyptic number.

550346134403 is a deficient number, since it is larger than the sum of its proper divisors (51312388237).

550346134403 is an equidigital number, since it uses as much as digits as its factorization.

550346134403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9430826 (or 9430759 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 550346134403 its reverse (304431643055), we get a palindrome (854777777458).

The spelling of 550346134403 in words is "five hundred fifty billion, three hundred forty-six million, one hundred thirty-four thousand, four hundred three".