550213324320 has 384 divisors, whose sum is σ = 1912127793408. Its totient is φ = 131884646400.

The previous prime is 550213324313. The next prime is 550213324379. The reversal of 550213324320 is 23423312055.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 176292360 + ... + 176295480.

It is an arithmetic number, because the mean of its divisors is an integer number (4979499462).

Almost surely, 2^550213324320 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 550213324320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956063896704).

550213324320 is an abundant number, since it is smaller than the sum of its proper divisors (1361914469088).

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

550213324320 is a wasteful number, since it uses less digits than its factorization.

550213324320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516 (or 3508 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 550213324320 its reverse (23423312055), we get a palindrome (573636636375).

The spelling of 550213324320 in words is "five hundred fifty billion, two hundred thirteen million, three hundred twenty-four thousand, three hundred twenty".