56580276587 has 2 divisors, whose sum is σ = 56580276588. Its totient is φ = 56580276586.

The previous prime is 56580276569. The next prime is 56580276629. The reversal of 56580276587 is 78567208565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56580276587 - 2⁸ = 56580276331 is a prime.

It is a super-2 number, since 2×56580276587² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56580296587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28290138293 + 28290138294.

It is an arithmetic number, because the mean of its divisors is an integer number (28290138294).

Almost surely, 2^56580276587 is an apocalyptic number.

56580276587 is a deficient number, since it is larger than the sum of its proper divisors (1).

56580276587 is an equidigital number, since it uses as much as digits as its factorization.

56580276587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224000, while the sum is 59.

The spelling of 56580276587 in words is "fifty-six billion, five hundred eighty million, two hundred seventy-six thousand, five hundred eighty-seven".