82055555563 has 2 divisors, whose sum is σ = 82055555564. Its totient is φ = 82055555562.

The previous prime is 82055555551. The next prime is 82055555633. The reversal of 82055555563 is 36555555028.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82055555563 - 2⁹ = 82055555051 is a prime.

It is a super-2 number, since 2×82055555563² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82055555363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41027777781 + 41027777782.

It is an arithmetic number, because the mean of its divisors is an integer number (41027777782).

Almost surely, 2^82055555563 is an apocalyptic number.

82055555563 is a deficient number, since it is larger than the sum of its proper divisors (1).

82055555563 is an equidigital number, since it uses as much as digits as its factorization.

82055555563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500000, while the sum is 49.

The spelling of 82055555563 in words is "eighty-two billion, fifty-five million, five hundred fifty-five thousand, five hundred sixty-three".