556854655627 has 2 divisors, whose sum is σ = 556854655628. Its totient is φ = 556854655626.

The previous prime is 556854655589. The next prime is 556854655661. The reversal of 556854655627 is 726556458655.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556854655627 is a prime.

It is not a weakly prime, because it can be changed into another prime (556854655697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278427327813 + 278427327814.

It is an arithmetic number, because the mean of its divisors is an integer number (278427327814).

Almost surely, 2^556854655627 is an apocalyptic number.

556854655627 is a deficient number, since it is larger than the sum of its proper divisors (1).

556854655627 is an equidigital number, since it uses as much as digits as its factorization.

556854655627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400000, while the sum is 64.

The spelling of 556854655627 in words is "five hundred fifty-six billion, eight hundred fifty-four million, six hundred fifty-five thousand, six hundred twenty-seven".