5556428246555 has 32 divisors (see below), whose sum is σ = 6754365662400. Its totient is φ = 4387654656000.

The previous prime is 5556428246527. The next prime is 5556428246563.

It is a happy number.

5556428246555 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-5556428246555 is a prime.

It is a super-2 number, since 2×5556428246555² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 606526175 + ... + 606535335.

It is an arithmetic number, because the mean of its divisors is an integer number (211073926950).

Almost surely, 2^{5556428246555} is an apocalyptic number.

5556428246555 is a deficient number, since it is larger than the sum of its proper divisors (1197937415845).

5556428246555 is a wasteful number, since it uses less digits than its factorization.

5556428246555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12815.

The product of its digits is 288000000, while the sum is 62.

The spelling of 5556428246555 in words is "five trillion, five hundred fifty-six billion, four hundred twenty-eight million, two hundred forty-six thousand, five hundred fifty-five".