56206646143 has 4 divisors (see below), whose sum is σ = 56207151000. Its totient is φ = 56206141288.

The previous prime is 56206646123. The next prime is 56206646173. The reversal of 56206646143 is 34164660265.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 56206646143 - 2²¹ = 56204548991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56206646143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56206646123) 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, 3805 + ... + 335302.

It is an arithmetic number, because the mean of its divisors is an integer number (14051787750).

Almost surely, 2^56206646143 is an apocalyptic number.

56206646143 is a deficient number, since it is larger than the sum of its proper divisors (504857).

56206646143 is a wasteful number, since it uses less digits than its factorization.

56206646143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504856.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 56206646143 in words is "fifty-six billion, two hundred six million, six hundred forty-six thousand, one hundred forty-three".