5536321644 has 36 divisors (see below), whose sum is σ = 15027160344. Its totient is φ = 1581806016.

The previous prime is 5536321639. The next prime is 5536321673. The reversal of 5536321644 is 4461236355.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4707169 + ... + 4708344.

Almost surely, 2^5536321644 is an apocalyptic number.

It is an amenable number.

5536321644 is an abundant number, since it is smaller than the sum of its proper divisors (9490838700).

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

5536321644 is a wasteful number, since it uses less digits than its factorization.

5536321644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9415534 (or 9415525 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

The square root of 5536321644 is about 74406.4623806293. The cubic root of 5536321644 is about 1769.0513439229.

Adding to 5536321644 its reverse (4461236355), we get a palindrome (9997557999).

The spelling of 5536321644 in words is "five billion, five hundred thirty-six million, three hundred twenty-one thousand, six hundred forty-four".