5555577889 has 2 divisors, whose sum is σ = 5555577890. Its totient is φ = 5555577888.

The previous prime is 5555577877. The next prime is 5555577901. The reversal of 5555577889 is 9887755555.

It is a balanced prime because it is at equal distance from previous prime (5555577877) and next prime (5555577901).

It can be written as a sum of positive squares in only one way, i.e., 3112747264 + 2442830625 = 55792^2 + 49425^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555577889 - 2¹¹ = 5555575841 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 5555577889.

It is not a weakly prime, because it can be changed into another prime (5555577829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777788944 + 2777788945.

It is an arithmetic number, because the mean of its divisors is an integer number (2777788945).

Almost surely, 2^5555577889 is an apocalyptic number.

It is an amenable number.

5555577889 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555577889 is an equidigital number, since it uses as much as digits as its factorization.

5555577889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200000, while the sum is 64.

The square root of 5555577889 is about 74535.7490671423. The cubic root of 5555577889 is about 1771.0999885838.

The spelling of 5555577889 in words is "five billion, five hundred fifty-five million, five hundred seventy-seven thousand, eight hundred eighty-nine".