56675638845 has 80 divisors (see below), whose sum is σ = 116462805888. Its totient is φ = 25830161280.

The previous prime is 56675638841. The next prime is 56675638847. The reversal of 56675638845 is 54883657665.

56675638845 is a `hidden beast` number, since 5 + 6 + 67 + 563 + 8 + 8 + 4 + 5 = 666.

56675638845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56675638845 - 2² = 56675638841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56675638841) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 908187 + ... + 968583.

Almost surely, 2^56675638845 is an apocalyptic number.

It is an amenable number.

56675638845 is an abundant number, since it is smaller than the sum of its proper divisors (59787167043).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56675638845 is a wasteful number, since it uses less digits than its factorization.

56675638845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60752 (or 60743 counting only the distinct ones).

The product of its digits is 145152000, while the sum is 63.

The spelling of 56675638845 in words is "fifty-six billion, six hundred seventy-five million, six hundred thirty-eight thousand, eight hundred forty-five".