5556338387855 has 16 divisors (see below), whose sum is σ = 6778391494464. Its totient is φ = 4371245594880.

The previous prime is 5556338387813. The next prime is 5556338387869. The reversal of 5556338387855 is 5587838336555.

It is not a de Polignac number, because 5556338387855 - 2⁶ = 5556338387791 is a prime.

It is a super-2 number, since 2×5556338387855² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 589694 + ... + 3385323.

It is an arithmetic number, because the mean of its divisors is an integer number (423649468404).

Almost surely, 2^{5556338387855} is an apocalyptic number.

5556338387855 is a deficient number, since it is larger than the sum of its proper divisors (1222053106609).

5556338387855 is a wasteful number, since it uses less digits than its factorization.

5556338387855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979666.

The product of its digits is 1814400000, while the sum is 71.

The spelling of 5556338387855 in words is "five trillion, five hundred fifty-six billion, three hundred thirty-eight million, three hundred eighty-seven thousand, eight hundred fifty-five".