56655523823 has 2 divisors, whose sum is σ = 56655523824. Its totient is φ = 56655523822.

The previous prime is 56655523817. The next prime is 56655523877. The reversal of 56655523823 is 32832555665.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56655523823 - 2⁶ = 56655523759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56655528823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28327761911 + 28327761912.

It is an arithmetic number, because the mean of its divisors is an integer number (28327761912).

Almost surely, 2^56655523823 is an apocalyptic number.

56655523823 is a deficient number, since it is larger than the sum of its proper divisors (1).

56655523823 is an equidigital number, since it uses as much as digits as its factorization.

56655523823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480000, while the sum is 50.

The spelling of 56655523823 in words is "fifty-six billion, six hundred fifty-five million, five hundred twenty-three thousand, eight hundred twenty-three".