56221344304 has 20 divisors (see below), whose sum is σ = 111872878864. Its totient is φ = 27350923968.

The previous prime is 56221344287. The next prime is 56221344313. The reversal of 56221344304 is 40344312265.

It is a self number, because there is not a number n which added to its sum of digits gives 56221344304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47483652 + ... + 47484835.

Almost surely, 2^56221344304 is an apocalyptic number.

It is an amenable number.

56221344304 is a deficient number, since it is larger than the sum of its proper divisors (55651534560).

56221344304 is a wasteful number, since it uses less digits than its factorization.

56221344304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94968532 (or 94968526 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 56221344304 its reverse (40344312265), we get a palindrome (96565656569).

The spelling of 56221344304 in words is "fifty-six billion, two hundred twenty-one million, three hundred forty-four thousand, three hundred four".