5559779555 has 16 divisors (see below), whose sum is σ = 7353297504. Its totient is φ = 4001786880.

The previous prime is 5559779549. The next prime is 5559779579.

5559779555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5559779555 - 2²⁰ = 5558730979 is a prime.

It is a super-2 number, since 2×5559779555² = 61822297400391996050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515732 + ... + 526401.

It is an arithmetic number, because the mean of its divisors is an integer number (459581094).

Almost surely, 2^5559779555 is an apocalyptic number.

5559779555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5559779555 is a deficient number, since it is larger than the sum of its proper divisors (1793517949).

5559779555 is a wasteful number, since it uses less digits than its factorization.

5559779555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042246.

The product of its digits is 62015625, while the sum is 62.

The square root of 5559779555 is about 74563.9293157221. The cubic root of 5559779555 is about 1771.5463685121.

The spelling of 5559779555 in words is "five billion, five hundred fifty-nine million, seven hundred seventy-nine thousand, five hundred fifty-five".