56443263260671 has 16 divisors (see below), whose sum is σ = 67659983622144. Its totient is φ = 46036689836544.

The previous prime is 56443263260641. The next prime is 56443263260689. The reversal of 56443263260671 is 17606236234465.

It is a cyclic number.

It is not a de Polignac number, because 56443263260671 - 2¹⁷ = 56443263129599 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 (56443263260641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 908205391 + ... + 908267536.

It is an arithmetic number, because the mean of its divisors is an integer number (4228748976384).

Almost surely, 2^{56443263260671} is an apocalyptic number.

56443263260671 is a deficient number, since it is larger than the sum of its proper divisors (11216720361473).

56443263260671 is a wasteful number, since it uses less digits than its factorization.

56443263260671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816473150.

The product of its (nonzero) digits is 26127360, while the sum is 55.

The spelling of 56443263260671 in words is "fifty-six trillion, four hundred forty-three billion, two hundred sixty-three million, two hundred sixty thousand, six hundred seventy-one".