550550503000 has 64 divisors (see below), whose sum is σ = 1291047919200. Its totient is φ = 219748451200.

The previous prime is 550550502989. The next prime is 550550503043. The reversal of 550550503000 is 305055055.

It is a self number, because there is not a number n which added to its sum of digits gives 550550503000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122455 + ... + 1056454.

Almost surely, 2^550550503000 is an apocalyptic number.

550550503000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550550503000 is an abundant number, since it is smaller than the sum of its proper divisors (740497416200).

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

550550503000 is a wasteful number, since it uses less digits than its factorization.

550550503000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179397 (or 1179383 counting only the distinct ones).

The product of its (nonzero) digits is 9375, while the sum is 28.

Adding to 550550503000 its reverse (305055055), we get a palindrome (550855558055).

The spelling of 550550503000 in words is "five hundred fifty billion, five hundred fifty million, five hundred three thousand".