5321220344500 has 48 divisors (see below), whose sum is σ = 11623206748608. Its totient is φ = 2128183831200.

The previous prime is 5321220344449. The next prime is 5321220344519. The reversal of 5321220344500 is 54430221235.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2756247 + ... + 4270753.

It is an arithmetic number, because the mean of its divisors is an integer number (242150140596).

Almost surely, 2^{5321220344500} is an apocalyptic number.

5321220344500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5321220344500 is an abundant number, since it is smaller than the sum of its proper divisors (6301986404108).

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

5321220344500 is a wasteful number, since it uses less digits than its factorization.

5321220344500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521553 (or 1521541 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 5321220344500 its reverse (54430221235), we get a palindrome (5375650565735).

The spelling of 5321220344500 in words is "five trillion, three hundred twenty-one billion, two hundred twenty million, three hundred forty-four thousand, five hundred".