550431343424 has 14 divisors (see below), whose sum is σ = 1092262197234. Its totient is φ = 275215671680.

The previous prime is 550431343393. The next prime is 550431343477. The reversal of 550431343424 is 424343134055.

It can be written as a sum of positive squares in only one way, i.e., 540636678400 + 9794665024 = 735280^2 + 98968^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4300244807 + ... + 4300244934.

Almost surely, 2^550431343424 is an apocalyptic number.

It is an amenable number.

550431343424 is a deficient number, since it is larger than the sum of its proper divisors (541830853810).

550431343424 is an equidigital number, since it uses as much as digits as its factorization.

550431343424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8600489753 (or 8600489743 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 550431343424 its reverse (424343134055), we get a palindrome (974774477479).

The spelling of 550431343424 in words is "five hundred fifty billion, four hundred thirty-one million, three hundred forty-three thousand, four hundred twenty-four".