550213205144 has 8 divisors (see below), whose sum is σ = 1031649759660. Its totient is φ = 275106602568.

The previous prime is 550213205099. The next prime is 550213205159. The reversal of 550213205144 is 441502312055.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×550213205144² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550213205144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34388325314 + ... + 34388325329.

Almost surely, 2^550213205144 is an apocalyptic number.

It is an amenable number.

550213205144 is a deficient number, since it is larger than the sum of its proper divisors (481436554516).

550213205144 is a wasteful number, since it uses less digits than its factorization.

550213205144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68776650649 (or 68776650645 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 550213205144 its reverse (441502312055), we get a palindrome (991715517199).

The spelling of 550213205144 in words is "five hundred fifty billion, two hundred thirteen million, two hundred five thousand, one hundred forty-four".