556500353 has 2 divisors, whose sum is σ = 556500354. Its totient is φ = 556500352.

The previous prime is 556500337. The next prime is 556500359. The reversal of 556500353 is 353005655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 554696704 + 1803649 = 23552^2 + 1343^2 .

It is a cyclic number.

It is not a de Polignac number, because 556500353 - 2⁴ = 556500337 is a prime.

It is not a weakly prime, because it can be changed into another prime (556500359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278250176 + 278250177.

It is an arithmetic number, because the mean of its divisors is an integer number (278250177).

Almost surely, 2^556500353 is an apocalyptic number.

It is an amenable number.

556500353 is a deficient number, since it is larger than the sum of its proper divisors (1).

556500353 is an equidigital number, since it uses as much as digits as its factorization.

556500353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33750, while the sum is 32.

The square root of 556500353 is about 23590.2597060736. The cubic root of 556500353 is about 822.5364416925.

The spelling of 556500353 in words is "five hundred fifty-six million, five hundred thousand, three hundred fifty-three".