556458854655 has 32 divisors (see below), whose sum is σ = 977460139008. Its totient is φ = 268079760000.

The previous prime is 556458854621. The next prime is 556458854657.

556458854655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 556458854655 - 2⁹ = 556458854143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556458854657) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 10714471 + ... + 10766280.

It is an arithmetic number, because the mean of its divisors is an integer number (30545629344).

Almost surely, 2^556458854655 is an apocalyptic number.

556458854655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

556458854655 is a deficient number, since it is larger than the sum of its proper divisors (421001284353).

556458854655 is a wasteful number, since it uses less digits than its factorization.

556458854655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21480927.

The product of its digits is 576000000, while the sum is 66.

The spelling of 556458854655 in words is "five hundred fifty-six billion, four hundred fifty-eight million, eight hundred fifty-four thousand, six hundred fifty-five".