556770497 has 2 divisors, whose sum is σ = 556770498. Its totient is φ = 556770496.

The previous prime is 556770481. The next prime is 556770503. The reversal of 556770497 is 794077655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 500685376 + 56085121 = 22376^2 + 7489^2 .

It is a cyclic number.

It is not a de Polignac number, because 556770497 - 2⁴ = 556770481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (556770437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278385248 + 278385249.

It is an arithmetic number, because the mean of its divisors is an integer number (278385249).

Almost surely, 2^556770497 is an apocalyptic number.

It is an amenable number.

556770497 is a deficient number, since it is larger than the sum of its proper divisors (1).

556770497 is an equidigital number, since it uses as much as digits as its factorization.

556770497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1852200, while the sum is 50.

The square root of 556770497 is about 23595.9847643619. The cubic root of 556770497 is about 822.6695157855.

The spelling of 556770497 in words is "five hundred fifty-six million, seven hundred seventy thousand, four hundred ninety-seven".