56087136563 has 2 divisors, whose sum is σ = 56087136564. Its totient is φ = 56087136562.

The previous prime is 56087136503. The next prime is 56087136607. The reversal of 56087136563 is 36563178065.

56087136563 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 is a cyclic number.

It is not a de Polignac number, because 56087136563 - 2¹² = 56087132467 is a prime.

It is a super-2 number, since 2×56087136563² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56087136503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28043568281 + 28043568282.

It is an arithmetic number, because the mean of its divisors is an integer number (28043568282).

Almost surely, 2^56087136563 is an apocalyptic number.

56087136563 is a deficient number, since it is larger than the sum of its proper divisors (1).

56087136563 is an equidigital number, since it uses as much as digits as its factorization.

56087136563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 56087136563 in words is "fifty-six billion, eighty-seven million, one hundred thirty-six thousand, five hundred sixty-three".