550689211968 has 448 divisors, whose sum is σ = 1831941439488. Its totient is φ = 142533642240.

The previous prime is 550689211967. The next prime is 550689211979. The reversal of 550689211968 is 869112986055.

It is a tau number, because it is divible by the number of its divisors (448).

It is not an unprimeable number, because it can be changed into a prime (550689211967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45032671 + ... + 45044897.

Almost surely, 2^550689211968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550689211968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (915970719744).

550689211968 is an abundant number, since it is smaller than the sum of its proper divisors (1281252227520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550689211968 is a wasteful number, since it uses less digits than its factorization.

550689211968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12350 (or 12340 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 60.

The spelling of 550689211968 in words is "five hundred fifty billion, six hundred eighty-nine million, two hundred eleven thousand, nine hundred sixty-eight".