56567056697 has 2 divisors, whose sum is σ = 56567056698. Its totient is φ = 56567056696.

The previous prime is 56567056687. The next prime is 56567056699. The reversal of 56567056697 is 79665076565.

56567056697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38629543936 + 17937512761 = 196544^2 + 133931^2 .

It is a cyclic number.

It is not a de Polignac number, because 56567056697 - 2¹⁰ = 56567055673 is a prime.

It is a super-2 number, since 2×56567056697² (a number of 22 digits) contains 22 as substring.

Together with 56567056699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56567056699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28283528348 + 28283528349.

It is an arithmetic number, because the mean of its divisors is an integer number (28283528349).

Almost surely, 2^56567056697 is an apocalyptic number.

It is an amenable number.

56567056697 is a deficient number, since it is larger than the sum of its proper divisors (1).

56567056697 is an equidigital number, since it uses as much as digits as its factorization.

56567056697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71442000, while the sum is 62.

The spelling of 56567056697 in words is "fifty-six billion, five hundred sixty-seven million, fifty-six thousand, six hundred ninety-seven".