550018864512 has 480 divisors, whose sum is σ = 1805524015680. Its totient is φ = 165225940992.

The previous prime is 550018864511. The next prime is 550018864513. The reversal of 550018864512 is 215468810055.

550018864512 is a `hidden beast` number, since 5 + 50 + 0 + 1 + 8 + 86 + 4 + 512 = 666.

It is an interprime number because it is at equal distance from previous prime (550018864511) and next prime (550018864513).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550018864511) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 249214513 + ... + 249216719.

It is an arithmetic number, because the mean of its divisors is an integer number (3761508366).

Almost surely, 2^550018864512 is an apocalyptic number.

550018864512 is a gapful number since it is divisible by the number (52) 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 550018864512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902762007840).

550018864512 is an abundant number, since it is smaller than the sum of its proper divisors (1255505151168).

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

550018864512 is a wasteful number, since it uses less digits than its factorization.

550018864512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332 (or 2268 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 45.

The spelling of 550018864512 in words is "five hundred fifty billion, eighteen million, eight hundred sixty-four thousand, five hundred twelve".