55752603678659 has 2 divisors, whose sum is σ = 55752603678660. Its totient is φ = 55752603678658.

The previous prime is 55752603678649. The next prime is 55752603678767. The reversal of 55752603678659 is 95687630625755.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55752603678659 - 2²⁰ = 55752602630083 is a prime.

It is not a weakly prime, because it can be changed into another prime (55752603678649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27876301839329 + 27876301839330.

It is an arithmetic number, because the mean of its divisors is an integer number (27876301839330).

Almost surely, 2^{55752603678659} is an apocalyptic number.

55752603678659 is a deficient number, since it is larger than the sum of its proper divisors (1).

55752603678659 is an equidigital number, since it uses as much as digits as its factorization.

55752603678659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680000, while the sum is 74.

The spelling of 55752603678659 in words is "fifty-five trillion, seven hundred fifty-two billion, six hundred three million, six hundred seventy-eight thousand, six hundred fifty-nine".