56567656471 has 2 divisors, whose sum is σ = 56567656472. Its totient is φ = 56567656470.

The previous prime is 56567656421. The next prime is 56567656489. The reversal of 56567656471 is 17465676565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56567656471 - 2²⁵ = 56534102039 is a prime.

It is a super-3 number, since 3×56567656471³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56567656421) 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, 28283828235 + 28283828236.

It is an arithmetic number, because the mean of its divisors is an integer number (28283828236).

Almost surely, 2^56567656471 is an apocalyptic number.

56567656471 is a deficient number, since it is larger than the sum of its proper divisors (1).

56567656471 is an equidigital number, since it uses as much as digits as its factorization.

56567656471 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 56567656471 in words is "fifty-six billion, five hundred sixty-seven million, six hundred fifty-six thousand, four hundred seventy-one".