56814486871 has 4 divisors (see below), whose sum is σ = 56824532200. Its totient is φ = 56804441544.

The previous prime is 56814486847. The next prime is 56814486877. The reversal of 56814486871 is 17868441865.

56814486871 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: 17868441865 = 5 ⋅3573688373.

It is a cyclic number.

It is not a de Polignac number, because 56814486871 - 2²¹ = 56812389719 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 (56814486877) 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, 5014176 + ... + 5025493.

It is an arithmetic number, because the mean of its divisors is an integer number (14206133050).

Almost surely, 2^56814486871 is an apocalyptic number.

56814486871 is a deficient number, since it is larger than the sum of its proper divisors (10045329).

56814486871 is a wasteful number, since it uses less digits than its factorization.

56814486871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10045328.

The product of its digits is 10321920, while the sum is 58.

The spelling of 56814486871 in words is "fifty-six billion, eight hundred fourteen million, four hundred eighty-six thousand, eight hundred seventy-one".