55926798563 has 2 divisors, whose sum is σ = 55926798564. Its totient is φ = 55926798562.

The previous prime is 55926798541. The next prime is 55926798667. The reversal of 55926798563 is 36589762955.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55926798563 - 2²⁰ = 55925749987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55926798563.

It is not a weakly prime, because it can be changed into another prime (55926792563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27963399281 + 27963399282.

It is an arithmetic number, because the mean of its divisors is an integer number (27963399282).

Almost surely, 2^55926798563 is an apocalyptic number.

55926798563 is a deficient number, since it is larger than the sum of its proper divisors (1).

55926798563 is an equidigital number, since it uses as much as digits as its factorization.

55926798563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472000, while the sum is 65.

The spelling of 55926798563 in words is "fifty-five billion, nine hundred twenty-six million, seven hundred ninety-eight thousand, five hundred sixty-three".