550217884320 has 384 divisors, whose sum is σ = 2082626380800. Its totient is φ = 134868271104.

The previous prime is 550217884319. The next prime is 550217884367. The reversal of 550217884320 is 23488712055.

550217884320 is a `hidden beast` number, since 5 + 502 + 1 + 7 + 88 + 43 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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, 13401744 + ... + 13442736.

It is an arithmetic number, because the mean of its divisors is an integer number (5423506200).

Almost surely, 2^550217884320 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 550217884320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041313190400).

550217884320 is an abundant number, since it is smaller than the sum of its proper divisors (1532408496480).

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

550217884320 is a wasteful number, since it uses less digits than its factorization.

550217884320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41269 (or 41255 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 550217884320 in words is "five hundred fifty billion, two hundred seventeen million, eight hundred eighty-four thousand, three hundred twenty".