556435534655 has 64 divisors (see below), whose sum is σ = 896746346496. Its totient is φ = 320106816000.

The previous prime is 556435534639. The next prime is 556435534709.

556435534655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 556435534655 - 2⁴ = 556435534639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556435534655.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 24317870 + ... + 24340740.

It is an arithmetic number, because the mean of its divisors is an integer number (14011661664).

Almost surely, 2^556435534655 is an apocalyptic number.

556435534655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

556435534655 is a deficient number, since it is larger than the sum of its proper divisors (340310811841).

556435534655 is a wasteful number, since it uses less digits than its factorization.

556435534655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27768.

The product of its digits is 81000000, while the sum is 56.

The spelling of 556435534655 in words is "five hundred fifty-six billion, four hundred thirty-five million, five hundred thirty-four thousand, six hundred fifty-five".