55644065303 has 4 divisors (see below), whose sum is σ = 56348420640. Its totient is φ = 54939709968.

The previous prime is 55644065273. The next prime is 55644065311. The reversal of 55644065303 is 30356044655.

55644065303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30356044655 = 5 ⋅6071208931.

It is a cyclic number.

It is not a de Polignac number, because 55644065303 - 2⁸ = 55644065047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55644065003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352177550 + ... + 352177707.

It is an arithmetic number, because the mean of its divisors is an integer number (14087105160).

Almost surely, 2^55644065303 is an apocalyptic number.

55644065303 is a deficient number, since it is larger than the sum of its proper divisors (704355337).

55644065303 is an equidigital number, since it uses as much as digits as its factorization.

55644065303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704355336.

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 55644065303 in words is "fifty-five billion, six hundred forty-four million, sixty-five thousand, three hundred three".