56575341689 has 2 divisors, whose sum is σ = 56575341690. Its totient is φ = 56575341688.

The previous prime is 56575341673. The next prime is 56575341721. The reversal of 56575341689 is 98614357565.

It is a happy number.

56575341689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48844536064 + 7730805625 = 221008^2 + 87925^2 .

It is a cyclic number.

It is not a de Polignac number, because 56575341689 - 2⁴ = 56575341673 is a prime.

It is not a weakly prime, because it can be changed into another prime (56575341629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28287670844 + 28287670845.

It is an arithmetic number, because the mean of its divisors is an integer number (28287670845).

Almost surely, 2^56575341689 is an apocalyptic number.

It is an amenable number.

56575341689 is a deficient number, since it is larger than the sum of its proper divisors (1).

56575341689 is an equidigital number, since it uses as much as digits as its factorization.

56575341689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216000, while the sum is 59.

The spelling of 56575341689 in words is "fifty-six billion, five hundred seventy-five million, three hundred forty-one thousand, six hundred eighty-nine".