550401345404 has 12 divisors (see below), whose sum is σ = 965437165728. Its totient is φ = 274562155200.

The previous prime is 550401345383. The next prime is 550401345407. The reversal of 550401345404 is 404543104055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550401345407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159627437 + ... + 159630884.

It is an arithmetic number, because the mean of its divisors is an integer number (80453097144).

Almost surely, 2^550401345404 is an apocalyptic number.

It is an amenable number.

550401345404 is a deficient number, since it is larger than the sum of its proper divisors (415035820324).

550401345404 is a wasteful number, since it uses less digits than its factorization.

550401345404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319258756 (or 319258754 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 550401345404 its reverse (404543104055), we get a palindrome (954944449459).

The spelling of 550401345404 in words is "five hundred fifty billion, four hundred one million, three hundred forty-five thousand, four hundred four".