503434443050 has 48 divisors (see below), whose sum is σ = 1167444868032. Its totient is φ = 156914630400.

The previous prime is 503434443047. The next prime is 503434443053. The reversal of 503434443050 is 50344434305.

It is an interprime number because it is at equal distance from previous prime (503434443047) and next prime (503434443053).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 503434443050.

It is not an unprimeable number, because it can be changed into a prime (503434443053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65377247 + ... + 65384946.

It is an arithmetic number, because the mean of its divisors is an integer number (24321768084).

Almost surely, 2^503434443050 is an apocalyptic number.

503434443050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

503434443050 is an abundant number, since it is smaller than the sum of its proper divisors (664010424982).

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

503434443050 is a wasteful number, since it uses less digits than its factorization.

503434443050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130762223 (or 130762218 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 503434443050 its reverse (50344434305), we get a palindrome (553778877355).

The spelling of 503434443050 in words is "five hundred three billion, four hundred thirty-four million, four hundred forty-three thousand, fifty".