550331203000 has 128 divisors (see below), whose sum is σ = 1310443804800. Its totient is φ = 216266112000.

The previous prime is 550331202979. The next prime is 550331203001. The reversal of 550331203000 is 302133055.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550331203001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56054092 + ... + 56063908.

It is an arithmetic number, because the mean of its divisors is an integer number (10237842225).

Almost surely, 2^550331203000 is an apocalyptic number.

550331203000 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 550331203000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655221902400).

550331203000 is an abundant number, since it is smaller than the sum of its proper divisors (760112601800).

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

550331203000 is a wasteful number, since it uses less digits than its factorization.

550331203000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10818 (or 10804 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 22.

Adding to 550331203000 its reverse (302133055), we get a palindrome (550633336055).

The spelling of 550331203000 in words is "five hundred fifty billion, three hundred thirty-one million, two hundred three thousand".