550227936066816 has 576 divisors, whose sum is σ = 1768514382835200. Its totient is φ = 151713004584960.

The previous prime is 550227936066803. The next prime is 550227936066859. The reversal of 550227936066816 is 618660639722055.

It is a congruent number.

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, 851326756 + ... + 851972828.

It is an arithmetic number, because the mean of its divisors is an integer number (3070337470200).

Almost surely, 2^{550227936066816} is an apocalyptic number.

550227936066816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550227936066816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (884257191417600).

550227936066816 is an abundant number, since it is smaller than the sum of its proper divisors (1218286446768384).

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

550227936066816 is an equidigital number, since it uses as much as digits as its factorization.

550227936066816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646227 (or 646199 counting only the distinct ones).

The product of its (nonzero) digits is 195955200, while the sum is 66.

The spelling of 550227936066816 in words is "five hundred fifty trillion, two hundred twenty-seven billion, nine hundred thirty-six million, sixty-six thousand, eight hundred sixteen".