56680305555 has 32 divisors (see below), whose sum is σ = 95405817600. Its totient is φ = 28692390272.

The previous prime is 56680305541. The next prime is 56680305571. The reversal of 56680305555 is 55550308665.

56680305555 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 56680305555 - 2⁶ = 56680305491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1078569 + ... + 1129898.

It is an arithmetic number, because the mean of its divisors is an integer number (2981431800).

Almost surely, 2^56680305555 is an apocalyptic number.

56680305555 is a deficient number, since it is larger than the sum of its proper divisors (38725512045).

56680305555 is a wasteful number, since it uses less digits than its factorization.

56680305555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208563.

The product of its (nonzero) digits is 2700000, while the sum is 48.

The spelling of 56680305555 in words is "fifty-six billion, six hundred eighty million, three hundred five thousand, five hundred fifty-five".