556538835655 has 16 divisors (see below), whose sum is σ = 733029634944. Its totient is φ = 402272347680.

The previous prime is 556538835641. The next prime is 556538835667.

It is a happy number.

556538835655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 556538835655 - 2¹¹ = 556538833607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31030569 + ... + 31048498.

It is an arithmetic number, because the mean of its divisors is an integer number (45814352184).

Almost surely, 2^556538835655 is an apocalyptic number.

556538835655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

556538835655 is a deficient number, since it is larger than the sum of its proper divisors (176490799289).

556538835655 is a wasteful number, since it uses less digits than its factorization.

556538835655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62079246.

The product of its digits is 324000000, while the sum is 64.

The spelling of 556538835655 in words is "five hundred fifty-six billion, five hundred thirty-eight million, eight hundred thirty-five thousand, six hundred fifty-five".