56906955684571 has 2 divisors, whose sum is σ = 56906955684572. Its totient is φ = 56906955684570.

The previous prime is 56906955684457. The next prime is 56906955684589. The reversal of 56906955684571 is 17548655960965.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56906955684571 - 2¹⁷ = 56906955553499 is a prime.

It is not a weakly prime, because it can be changed into another prime (56906955688571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28453477842285 + 28453477842286.

It is an arithmetic number, because the mean of its divisors is an integer number (28453477842286).

Almost surely, 2^{56906955684571} is an apocalyptic number.

56906955684571 is a deficient number, since it is larger than the sum of its proper divisors (1).

56906955684571 is an equidigital number, since it uses as much as digits as its factorization.

56906955684571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440000, while the sum is 76.

The spelling of 56906955684571 in words is "fifty-six trillion, nine hundred six billion, nine hundred fifty-five million, six hundred eighty-four thousand, five hundred seventy-one".