56889921648311 has 4 divisors (see below), whose sum is σ = 56899200715224. Its totient is φ = 56880642581400.

The previous prime is 56889921648299. The next prime is 56889921648341. The reversal of 56889921648311 is 11384612998865.

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

It is a cyclic number.

It is not a de Polignac number, because 56889921648311 - 2¹⁰ = 56889921647287 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 (56889921648341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4639524260 + ... + 4639536521.

It is an arithmetic number, because the mean of its divisors is an integer number (14224800178806).

Almost surely, 2^{56889921648311} is an apocalyptic number.

56889921648311 is a deficient number, since it is larger than the sum of its proper divisors (9279066913).

56889921648311 is an equidigital number, since it uses as much as digits as its factorization.

56889921648311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9279066912.

The product of its digits is 179159040, while the sum is 71.

The spelling of 56889921648311 in words is "fifty-six trillion, eight hundred eighty-nine billion, nine hundred twenty-one million, six hundred forty-eight thousand, three hundred eleven".