5503446643 has 4 divisors (see below), whose sum is σ = 5580960048. Its totient is φ = 5425933240.

The previous prime is 5503446607. The next prime is 5503446649. The reversal of 5503446643 is 3466443055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5503446643 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5503446596 and 5503446605.

It is not an unprimeable number, because it can be changed into a prime (5503446649) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 38756596 + ... + 38756737.

It is an arithmetic number, because the mean of its divisors is an integer number (1395240012).

Almost surely, 2^5503446643 is an apocalyptic number.

5503446643 is a deficient number, since it is larger than the sum of its proper divisors (77513405).

5503446643 is an equidigital number, since it uses as much as digits as its factorization.

5503446643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77513404.

The product of its (nonzero) digits is 518400, while the sum is 40.

The square root of 5503446643 is about 74185.2184939830. The cubic root of 5503446643 is about 1765.5428134070.

Adding to 5503446643 its reverse (3466443055), we get a palindrome (8969889698).

The spelling of 5503446643 in words is "five billion, five hundred three million, four hundred forty-six thousand, six hundred forty-three".