556788941 has 2 divisors, whose sum is σ = 556788942. Its totient is φ = 556788940.

The previous prime is 556788917. The next prime is 556788989. The reversal of 556788941 is 149887655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 503060041 + 53728900 = 22429^2 + 7330^2 .

It is a cyclic number.

It is not a de Polignac number, because 556788941 - 2⁶ = 556788877 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556788341) 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, 278394470 + 278394471.

It is an arithmetic number, because the mean of its divisors is an integer number (278394471).

Almost surely, 2^556788941 is an apocalyptic number.

It is an amenable number.

556788941 is a deficient number, since it is larger than the sum of its proper divisors (1).

556788941 is an equidigital number, since it uses as much as digits as its factorization.

556788941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 53.

The square root of 556788941 is about 23596.3755903317. The cubic root of 556788941 is about 822.6785998091.

The spelling of 556788941 in words is "five hundred fifty-six million, seven hundred eighty-eight thousand, nine hundred forty-one".