56655254641 has 2 divisors, whose sum is σ = 56655254642. Its totient is φ = 56655254640.

The previous prime is 56655254581. The next prime is 56655254683. The reversal of 56655254641 is 14645255665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54290864016 + 2364390625 = 233004^2 + 48625^2 .

It is a cyclic number.

It is not a de Polignac number, because 56655254641 - 2⁹ = 56655254129 is a prime.

It is not a weakly prime, because it can be changed into another prime (56655254041) 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, 28327627320 + 28327627321.

It is an arithmetic number, because the mean of its divisors is an integer number (28327627321).

Almost surely, 2^56655254641 is an apocalyptic number.

It is an amenable number.

56655254641 is a deficient number, since it is larger than the sum of its proper divisors (1).

56655254641 is an equidigital number, since it uses as much as digits as its factorization.

56655254641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320000, while the sum is 49.

The spelling of 56655254641 in words is "fifty-six billion, six hundred fifty-five million, two hundred fifty-four thousand, six hundred forty-one".