5556894986555 has 24 divisors (see below), whose sum is σ = 7330129669296. Its totient is φ = 4041080838080.

The previous prime is 5556894986549. The next prime is 5556894986633.

5556894986555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5556894986555 - 2⁶ = 5556894986491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5556894986555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8064644 + ... + 8726526.

It is an arithmetic number, because the mean of its divisors is an integer number (305422069554).

Almost surely, 2^{5556894986555} is an apocalyptic number.

5556894986555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5556894986555 is a deficient number, since it is larger than the sum of its proper divisors (1773234682741).

5556894986555 is a wasteful number, since it uses less digits than its factorization.

5556894986555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675787 (or 675776 counting only the distinct ones).

The product of its digits is 11664000000, while the sum is 80.

The spelling of 5556894986555 in words is "five trillion, five hundred fifty-six billion, eight hundred ninety-four million, nine hundred eighty-six thousand, five hundred fifty-five".