556454337557 has 2 divisors, whose sum is σ = 556454337558. Its totient is φ = 556454337556.

The previous prime is 556454337529. The next prime is 556454337589. The reversal of 556454337557 is 755733454655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 527404203076 + 29050134481 = 726226^2 + 170441^2 .

It is a cyclic number.

It is not a de Polignac number, because 556454337557 - 2¹⁰ = 556454336533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556454337496 and 556454337505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556454337157) by changing a digit.

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 as a sum of consecutive naturals, namely, 278227168778 + 278227168779.

It is an arithmetic number, because the mean of its divisors is an integer number (278227168779).

Almost surely, 2^556454337557 is an apocalyptic number.

It is an amenable number.

556454337557 is a deficient number, since it is larger than the sum of its proper divisors (1).

556454337557 is an equidigital number, since it uses as much as digits as its factorization.

556454337557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 132300000, while the sum is 59.

The spelling of 556454337557 in words is "five hundred fifty-six billion, four hundred fifty-four million, three hundred thirty-seven thousand, five hundred fifty-seven".