6555898553 has 2 divisors, whose sum is σ = 6555898554. Its totient is φ = 6555898552.

The previous prime is 6555898549. The next prime is 6555898571. The reversal of 6555898553 is 3558985556.

It is a happy number.

6555898553 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6044596009 + 511302544 = 77747^2 + 22612^2 .

It is a cyclic number.

It is not a de Polignac number, because 6555898553 - 2² = 6555898549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6555898492 and 6555898501.

It is not a weakly prime, because it can be changed into another prime (6555898523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3277949276 + 3277949277.

It is an arithmetic number, because the mean of its divisors is an integer number (3277949277).

Almost surely, 2^6555898553 is an apocalyptic number.

It is an amenable number.

6555898553 is a deficient number, since it is larger than the sum of its proper divisors (1).

6555898553 is an equidigital number, since it uses as much as digits as its factorization.

6555898553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400000, while the sum is 59.

The square root of 6555898553 is about 80968.5034627663. The cubic root of 6555898553 is about 1871.5901097525.

The spelling of 6555898553 in words is "six billion, five hundred fifty-five million, eight hundred ninety-eight thousand, five hundred fifty-three".