455555555555556 has 48 divisors (see below), whose sum is σ = 1072961862936768. Its totient is φ = 150424921651200.

The previous prime is 455555555555549. The next prime is 455555555555593. The reversal of 455555555555556 is 655555555555554.

It is a plaindrome in base 10.

It is an unprimeable number.

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

It is an upside-down number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90298405 + ... + 95209836.

It is an arithmetic number, because the mean of its divisors is an integer number (22353372144516).

Almost surely, 2^{455555555555556} is an apocalyptic number.

It is an amenable number.

455555555555556 is an abundant number, since it is smaller than the sum of its proper divisors (617406307381212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

455555555555556 is a wasteful number, since it uses less digits than its factorization.

455555555555556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185510172 (or 185510170 counting only the distinct ones).

The product of its digits is 29296875000, while the sum is 75.

The spelling of 455555555555556 in words is "four hundred fifty-five trillion, five hundred fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-six".