56444203454647 has 8 divisors (see below), whose sum is σ = 56524846861280. Its totient is φ = 56363562957600.

The previous prime is 56444203454633. The next prime is 56444203454701. The reversal of 56444203454647 is 74645430244465.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56444203454647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56444203454591 and 56444203454600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56444203454147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39702397 + ... + 41099497.

It is an arithmetic number, because the mean of its divisors is an integer number (7065605857660).

Almost surely, 2^{56444203454647} is an apocalyptic number.

56444203454647 is a deficient number, since it is larger than the sum of its proper divisors (80643406633).

56444203454647 is a wasteful number, since it uses less digits than its factorization.

56444203454647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454793.

The product of its (nonzero) digits is 154828800, while the sum is 58.

The spelling of 56444203454647 in words is "fifty-six trillion, four hundred forty-four billion, two hundred three million, four hundred fifty-four thousand, six hundred forty-seven".