5555060561 has 2 divisors, whose sum is σ = 5555060562. Its totient is φ = 5555060560.

The previous prime is 5555060551. The next prime is 5555060591. The reversal of 5555060561 is 1650605555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4177166161 + 1377894400 = 64631^2 + 37120^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555060561 - 2¹⁴ = 5555044177 is a prime.

It is not a weakly prime, because it can be changed into another prime (5555060551) 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, 2777530280 + 2777530281.

It is an arithmetic number, because the mean of its divisors is an integer number (2777530281).

Almost surely, 2^5555060561 is an apocalyptic number.

It is an amenable number.

5555060561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555060561 is an equidigital number, since it uses as much as digits as its factorization.

5555060561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112500, while the sum is 38.

The square root of 5555060561 is about 74532.2786516017. The cubic root of 5555060561 is about 1771.0450127214.

The spelling of 5555060561 in words is "five billion, five hundred fifty-five million, sixty thousand, five hundred sixty-one".