556570057 has 2 divisors, whose sum is σ = 556570058. Its totient is φ = 556570056.

The previous prime is 556570043. The next prime is 556570061. The reversal of 556570057 is 750075655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 544708921 + 11861136 = 23339^2 + 3444^2 .

It is a cyclic number.

It is not a de Polignac number, because 556570057 - 2⁷ = 556569929 is a prime.

It is not a weakly prime, because it can be changed into another prime (556570037) 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, 278285028 + 278285029.

It is an arithmetic number, because the mean of its divisors is an integer number (278285029).

Almost surely, 2^556570057 is an apocalyptic number.

It is an amenable number.

556570057 is a deficient number, since it is larger than the sum of its proper divisors (1).

556570057 is an equidigital number, since it uses as much as digits as its factorization.

556570057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183750, while the sum is 40.

The square root of 556570057 is about 23591.7370492298. The cubic root of 556570057 is about 822.5707823035.

The spelling of 556570057 in words is "five hundred fifty-six million, five hundred seventy thousand, fifty-seven".