56645988118 has 4 divisors (see below), whose sum is σ = 84968982180. Its totient is φ = 28322994058.

The previous prime is 56645988089. The next prime is 56645988121. The reversal of 56645988118 is 81188954665.

56645988118 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.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14161497028 + ... + 14161497031.

It is an arithmetic number, because the mean of its divisors is an integer number (21242245545).

Almost surely, 2^56645988118 is an apocalyptic number.

56645988118 is a deficient number, since it is larger than the sum of its proper divisors (28322994062).

56645988118 is a wasteful number, since it uses less digits than its factorization.

56645988118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28322994061.

The product of its digits is 16588800, while the sum is 61.

The spelling of 56645988118 in words is "fifty-six billion, six hundred forty-five million, nine hundred eighty-eight thousand, one hundred eighteen".