503305530550 has 12 divisors (see below), whose sum is σ = 936148286916. Its totient is φ = 201322212200.

The previous prime is 503305530521. The next prime is 503305530551. The reversal of 503305530550 is 55035503305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503305530551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5033055256 + ... + 5033055355.

It is an arithmetic number, because the mean of its divisors is an integer number (78012357243).

Almost surely, 2^503305530550 is an apocalyptic number.

503305530550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

503305530550 is a deficient number, since it is larger than the sum of its proper divisors (432842756366).

503305530550 is a wasteful number, since it uses less digits than its factorization.

503305530550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10066110623 (or 10066110618 counting only the distinct ones).

The product of its (nonzero) digits is 84375, while the sum is 34.

It can be divided in two parts, 5033055 and 30550, that added together give a palindrome (5063605).

The spelling of 503305530550 in words is "five hundred three billion, three hundred five million, five hundred thirty thousand, five hundred fifty".