56531413567 has 2 divisors, whose sum is σ = 56531413568. Its totient is φ = 56531413566.

The previous prime is 56531413559. The next prime is 56531413577. The reversal of 56531413567 is 76531413565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56531413567 - 2³ = 56531413559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56531413577) 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, 28265706783 + 28265706784.

It is an arithmetic number, because the mean of its divisors is an integer number (28265706784).

Almost surely, 2^56531413567 is an apocalyptic number.

56531413567 is a deficient number, since it is larger than the sum of its proper divisors (1).

56531413567 is an equidigital number, since it uses as much as digits as its factorization.

56531413567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134000, while the sum is 46.

The spelling of 56531413567 in words is "fifty-six billion, five hundred thirty-one million, four hundred thirteen thousand, five hundred sixty-seven".