550403313344 has 14 divisors (see below), whose sum is σ = 1092206575044. Its totient is φ = 275201656640.

The previous prime is 550403313331. The next prime is 550403313377. The reversal of 550403313344 is 443313304055.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4300025822 + ... + 4300025949.

Almost surely, 2^550403313344 is an apocalyptic number.

It is an amenable number.

550403313344 is a deficient number, since it is larger than the sum of its proper divisors (541803261700).

550403313344 is an equidigital number, since it uses as much as digits as its factorization.

550403313344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8600051783 (or 8600051773 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 550403313344 its reverse (443313304055), we get a palindrome (993716617399).

The spelling of 550403313344 in words is "five hundred fifty billion, four hundred three million, three hundred thirteen thousand, three hundred forty-four".