503234315450 has 48 divisors (see below), whose sum is σ = 941288485824. Its totient is φ = 200162793600.

The previous prime is 503234315447. The next prime is 503234315461. The reversal of 503234315450 is 54513432305.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 503234315450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6805577 + ... + 6879123.

It is an arithmetic number, because the mean of its divisors is an integer number (19610176788).

Almost surely, 2^503234315450 is an apocalyptic number.

503234315450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

503234315450 is a deficient number, since it is larger than the sum of its proper divisors (438054170374).

503234315450 is a wasteful number, since it uses less digits than its factorization.

503234315450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74327 (or 74322 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 503234315450 its reverse (54513432305), we get a palindrome (557747747755).

The spelling of 503234315450 in words is "five hundred three billion, two hundred thirty-four million, three hundred fifteen thousand, four hundred fifty".