56042807866 has 8 divisors (see below), whose sum is σ = 84067167744. Its totient is φ = 28020418620.

The previous prime is 56042807861. The next prime is 56042807981. The reversal of 56042807866 is 66870824065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (56042807861) 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, 419380 + ... + 536623.

It is an arithmetic number, because the mean of its divisors is an integer number (10508395968).

Almost surely, 2^56042807866 is an apocalyptic number.

56042807866 is a deficient number, since it is larger than the sum of its proper divisors (28024359878).

56042807866 is a wasteful number, since it uses less digits than its factorization.

56042807866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985316.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 56042807866 in words is "fifty-six billion, forty-two million, eight hundred seven thousand, eight hundred sixty-six".