550352553646 has 16 divisors (see below), whose sum is σ = 949470833376. Its totient is φ = 234363051936.

The previous prime is 550352553629. The next prime is 550352553661. The reversal of 550352553646 is 646355253055.

It is a self number, because there is not a number n which added to its sum of digits gives 550352553646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125191741 + ... + 125196136.

It is an arithmetic number, because the mean of its divisors is an integer number (59341927086).

Almost surely, 2^550352553646 is an apocalyptic number.

550352553646 is a deficient number, since it is larger than the sum of its proper divisors (399118279730).

550352553646 is a wasteful number, since it uses less digits than its factorization.

550352553646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250388043.

The product of its (nonzero) digits is 8100000, while the sum is 49.

The spelling of 550352553646 in words is "five hundred fifty billion, three hundred fifty-two million, five hundred fifty-three thousand, six hundred forty-six".