5555055563 has 2 divisors, whose sum is σ = 5555055564. Its totient is φ = 5555055562.

The previous prime is 5555055551. The next prime is 5555055599. The reversal of 5555055563 is 3655505555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5555055563 - 2⁴ = 5555055547 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5555055263) 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, 2777527781 + 2777527782.

It is an arithmetic number, because the mean of its divisors is an integer number (2777527782).

Almost surely, 2^5555055563 is an apocalyptic number.

5555055563 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555055563 is an equidigital number, since it uses as much as digits as its factorization.

5555055563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1406250, while the sum is 44.

The square root of 5555055563 is about 74532.2451224971. The cubic root of 5555055563 is about 1771.0444815730.

The spelling of 5555055563 in words is "five billion, five hundred fifty-five million, fifty-five thousand, five hundred sixty-three".