550421104896 has 576 divisors, whose sum is σ = 1784539545600. Its totient is φ = 166337224704.

The previous prime is 550421104879. The next prime is 550421104897. The reversal of 550421104896 is 698401124055.

550421104896 is a `hidden beast` number, since 5 + 50 + 4 + 2 + 110 + 489 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is not an unprimeable number, because it can be changed into a prime (550421104897) 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, 1586227795 + ... + 1586228141.

Almost surely, 2^550421104896 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 550421104896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892269772800).

550421104896 is an abundant number, since it is smaller than the sum of its proper divisors (1234118440704).

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

550421104896 is a wasteful number, since it uses less digits than its factorization.

550421104896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 550421104896 in words is "five hundred fifty billion, four hundred twenty-one million, one hundred four thousand, eight hundred ninety-six".