503404050 has 96 divisors (see below), whose sum is σ = 1323040320. Its totient is φ = 126316800.

The previous prime is 503404043. The next prime is 503404061. The reversal of 503404050 is 50404305.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 492540 + ... + 493560.

It is an arithmetic number, because the mean of its divisors is an integer number (13781670).

Almost surely, 2^503404050 is an apocalyptic number.

503404050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 503404050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (661520160).

503404050 is an abundant number, since it is smaller than the sum of its proper divisors (819636270).

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

503404050 is a wasteful number, since it uses less digits than its factorization.

503404050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228 (or 1223 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 503404050 is about 22436.6675333036. The cubic root of 503404050 is about 795.4976513140.

Adding to 503404050 its reverse (50404305), we get a palindrome (553808355).

The spelling of 503404050 in words is "five hundred three million, four hundred four thousand, fifty".