56554511659 has 2 divisors, whose sum is σ = 56554511660. Its totient is φ = 56554511658.

The previous prime is 56554511641. The next prime is 56554511753. The reversal of 56554511659 is 95611545565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56554511659 - 2¹¹ = 56554509611 is a prime.

It is not a weakly prime, because it can be changed into another prime (56551511659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28277255829 + 28277255830.

It is an arithmetic number, because the mean of its divisors is an integer number (28277255830).

Almost surely, 2^56554511659 is an apocalyptic number.

56554511659 is a deficient number, since it is larger than the sum of its proper divisors (1).

56554511659 is an equidigital number, since it uses as much as digits as its factorization.

56554511659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4050000, while the sum is 52.

The spelling of 56554511659 in words is "fifty-six billion, five hundred fifty-four million, five hundred eleven thousand, six hundred fifty-nine".