56567656741 has 2 divisors, whose sum is σ = 56567656742. Its totient is φ = 56567656740.

The previous prime is 56567656727. The next prime is 56567656771. The reversal of 56567656741 is 14765676565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55823512900 + 744143841 = 236270^2 + 27279^2 .

It is a cyclic number.

It is not a de Polignac number, because 56567656741 - 2¹³ = 56567648549 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56567656771) 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, 28283828370 + 28283828371.

It is an arithmetic number, because the mean of its divisors is an integer number (28283828371).

Almost surely, 2^56567656741 is an apocalyptic number.

It is an amenable number.

56567656741 is a deficient number, since it is larger than the sum of its proper divisors (1).

56567656741 is an equidigital number, since it uses as much as digits as its factorization.

56567656741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752000, while the sum is 58.

The spelling of 56567656741 in words is "fifty-six billion, five hundred sixty-seven million, six hundred fifty-six thousand, seven hundred forty-one".