56628650171 has 2 divisors, whose sum is σ = 56628650172. Its totient is φ = 56628650170.

The previous prime is 56628650167. The next prime is 56628650189. The reversal of 56628650171 is 17105682665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56628650171 - 2² = 56628650167 is a prime.

It is not a weakly prime, because it can be changed into another prime (56628653171) 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 as a sum of consecutive naturals, namely, 28314325085 + 28314325086.

It is an arithmetic number, because the mean of its divisors is an integer number (28314325086).

Almost surely, 2^56628650171 is an apocalyptic number.

56628650171 is a deficient number, since it is larger than the sum of its proper divisors (1).

56628650171 is an equidigital number, since it uses as much as digits as its factorization.

56628650171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 56628650171 in words is "fifty-six billion, six hundred twenty-eight million, six hundred fifty thousand, one hundred seventy-one".