6455558555546 has 16 divisors (see below), whose sum is σ = 9780062607744. Its totient is φ = 3195555069744.

The previous prime is 6455558555531. The next prime is 6455558555549.

It is a happy number.

6455558555546 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (6455558555549) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3600965 + ... + 5087048.

It is an arithmetic number, because the mean of its divisors is an integer number (611253912984).

Almost surely, 2^{6455558555546} is an apocalyptic number.

6455558555546 is a deficient number, since it is larger than the sum of its proper divisors (3324504052198).

6455558555546 is a wasteful number, since it uses less digits than its factorization.

6455558555546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8691725.

The product of its digits is 1800000000, while the sum is 68.

The spelling of 6455558555546 in words is "six trillion, four hundred fifty-five billion, five hundred fifty-eight million, five hundred fifty-five thousand, five hundred forty-six".