5555617278338 has 8 divisors (see below), whose sum is σ = 8347291852620. Its totient is φ = 2773186660800.

The previous prime is 5555617278317. The next prime is 5555617278373. The reversal of 5555617278338 is 8338727165555.

It can be written as a sum of positive squares in 2 ways, for example, as 4970549857729 + 585067420609 = 2229473^2 + 764897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2310987683 + ... + 2310990086.

Almost surely, 2^{5555617278338} is an apocalyptic number.

5555617278338 is a deficient number, since it is larger than the sum of its proper divisors (2791674574282).

5555617278338 is a wasteful number, since it uses less digits than its factorization.

5555617278338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621978372.

The product of its digits is 211680000, while the sum is 65.

The spelling of 5555617278338 in words is "five trillion, five hundred fifty-five billion, six hundred seventeen million, two hundred seventy-eight thousand, three hundred thirty-eight".