550500500000 has 336 divisors, whose sum is σ = 1494025876224. Its totient is φ = 198000000000.

The previous prime is 550500499993. The next prime is 550500500009. The reversal of 550500500000 is 5005055.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (550500500009) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 555499505 + ... + 555500495.

It is an arithmetic number, because the mean of its divisors is an integer number (4446505584).

Almost surely, 2^550500500000 is an apocalyptic number.

550500500000 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 550500500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (747012938112).

550500500000 is an abundant number, since it is smaller than the sum of its proper divisors (943525376224).

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

550500500000 is an equidigital number, since it uses as much as digits as its factorization.

550500500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 20.

Adding to 550500500000 its reverse (5005055), we get a palindrome (550505505055).

The spelling of 550500500000 in words is "five hundred fifty billion, five hundred million, five hundred thousand".