55876509920663 has 2 divisors, whose sum is σ = 55876509920664. Its totient is φ = 55876509920662.

The previous prime is 55876509920657. The next prime is 55876509920689. The reversal of 55876509920663 is 36602990567855.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55876509920663 - 2²² = 55876505726359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55876509920963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27938254960331 + 27938254960332.

It is an arithmetic number, because the mean of its divisors is an integer number (27938254960332).

Almost surely, 2^{55876509920663} is an apocalyptic number.

55876509920663 is a deficient number, since it is larger than the sum of its proper divisors (1).

55876509920663 is an equidigital number, since it uses as much as digits as its factorization.

55876509920663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832000, while the sum is 71.

The spelling of 55876509920663 in words is "fifty-five trillion, eight hundred seventy-six billion, five hundred nine million, nine hundred twenty thousand, six hundred sixty-three".