55617045823 has 2 divisors, whose sum is σ = 55617045824. Its totient is φ = 55617045822.

The previous prime is 55617045797. The next prime is 55617045829. The reversal of 55617045823 is 32854071655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55617045823 - 2²¹ = 55614948671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55617045829) 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, 27808522911 + 27808522912.

It is an arithmetic number, because the mean of its divisors is an integer number (27808522912).

Almost surely, 2^55617045823 is an apocalyptic number.

55617045823 is a deficient number, since it is larger than the sum of its proper divisors (1).

55617045823 is an equidigital number, since it uses as much as digits as its factorization.

55617045823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 55617045823 in words is "fifty-five billion, six hundred seventeen million, forty-five thousand, eight hundred twenty-three".