5559123727 has 2 divisors, whose sum is σ = 5559123728. Its totient is φ = 5559123726.

The previous prime is 5559123679. The next prime is 5559123733. The reversal of 5559123727 is 7273219555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5559123727 - 2¹⁹ = 5558599439 is a prime.

It is a super-2 number, since 2×5559123727² = 61807713224188741058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5559123737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2779561863 + 2779561864.

It is an arithmetic number, because the mean of its divisors is an integer number (2779561864).

Almost surely, 2^5559123727 is an apocalyptic number.

5559123727 is a deficient number, since it is larger than the sum of its proper divisors (1).

5559123727 is an equidigital number, since it uses as much as digits as its factorization.

5559123727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 661500, while the sum is 46.

The square root of 5559123727 is about 74559.5314295899. The cubic root of 5559123727 is about 1771.4767089518.

It can be divided in two parts, 5559 and 123727, that added together give a triangular number (129286 = T₅₀₈).

The spelling of 5559123727 in words is "five billion, five hundred fifty-nine million, one hundred twenty-three thousand, seven hundred twenty-seven".