550544000000 has 308 divisors, whose sum is σ = 1448873641680. Its totient is φ = 208512000000.

The previous prime is 550543999987. The next prime is 550544000011. The reversal of 550544000000 is 445055.

It is a self number, because there is not a number n which added to its sum of digits gives 550544000000.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 303999095 + ... + 304000905.

Almost surely, 2^550544000000 is an apocalyptic number.

550544000000 is a gapful number since it is divisible by the number (50) 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 550544000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724436820840).

550544000000 is an abundant number, since it is smaller than the sum of its proper divisors (898329641680).

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

550544000000 is an frugal number, since it uses more digits than its factorization.

550544000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880 (or 1837 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

Adding to 550544000000 its reverse (445055), we get a palindrome (550544445055).

The spelling of 550544000000 in words is "five hundred fifty billion, five hundred forty-four million", and thus it is an aban number.