556400573 has 2 divisors, whose sum is σ = 556400574. Its totient is φ = 556400572.

The previous prime is 556400563. The next prime is 556400597. The reversal of 556400573 is 375004655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 521802649 + 34597924 = 22843^2 + 5882^2 .

It is a cyclic number.

It is not a de Polignac number, because 556400573 - 2¹⁰ = 556399549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556400563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278200286 + 278200287.

It is an arithmetic number, because the mean of its divisors is an integer number (278200287).

Almost surely, 2^556400573 is an apocalyptic number.

It is an amenable number.

556400573 is a deficient number, since it is larger than the sum of its proper divisors (1).

556400573 is an equidigital number, since it uses as much as digits as its factorization.

556400573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 556400573 is about 23588.1447553639. The cubic root of 556400573 is about 822.4872787456.

The spelling of 556400573 in words is "five hundred fifty-six million, four hundred thousand, five hundred seventy-three".