56443271643143 has 16 divisors (see below), whose sum is σ = 70499480918784. Its totient is φ = 43901364648960.

The previous prime is 56443271643097. The next prime is 56443271643169. The reversal of 56443271643143 is 34134617234465.

It is not a de Polignac number, because 56443271643143 - 2¹⁰ = 56443271642119 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 (56443271643743) 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, 670003130 + ... + 670087367.

It is an arithmetic number, because the mean of its divisors is an integer number (4406217557424).

Almost surely, 2^{56443271643143} is an apocalyptic number.

56443271643143 is a deficient number, since it is larger than the sum of its proper divisors (14056209275641).

56443271643143 is a wasteful number, since it uses less digits than its factorization.

56443271643143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340091062.

The product of its digits is 17418240, while the sum is 53.

The spelling of 56443271643143 in words is "fifty-six trillion, four hundred forty-three billion, two hundred seventy-one million, six hundred forty-three thousand, one hundred forty-three".