56671573688 has 16 divisors (see below), whose sum is σ = 106423444080. Its totient is φ = 28291988608.

The previous prime is 56671573681. The next prime is 56671573753. The reversal of 56671573688 is 88637517665.

It is a self number, because there is not a number n which added to its sum of digits gives 56671573688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56671573681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5469281 + ... + 5479632.

It is an arithmetic number, because the mean of its divisors is an integer number (6651465255).

Almost surely, 2^56671573688 is an apocalyptic number.

It is an amenable number.

56671573688 is a deficient number, since it is larger than the sum of its proper divisors (49751870392).

56671573688 is a wasteful number, since it uses less digits than its factorization.

56671573688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10949566 (or 10949562 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 62.

The spelling of 56671573688 in words is "fifty-six billion, six hundred seventy-one million, five hundred seventy-three thousand, six hundred eighty-eight".