556475663 has 2 divisors, whose sum is σ = 556475664. Its totient is φ = 556475662.

The previous prime is 556475653. The next prime is 556475687. The reversal of 556475663 is 366574655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556475663 - 2⁸ = 556475407 is a prime.

It is a super-2 number, since 2×556475663² = 619330327022579138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556475653) 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, 278237831 + 278237832.

It is an arithmetic number, because the mean of its divisors is an integer number (278237832).

Almost surely, 2^556475663 is an apocalyptic number.

556475663 is a deficient number, since it is larger than the sum of its proper divisors (1).

556475663 is an equidigital number, since it uses as much as digits as its factorization.

556475663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268000, while the sum is 47.

The square root of 556475663 is about 23589.7363910663. The cubic root of 556475663 is about 822.5242771449.

The spelling of 556475663 in words is "five hundred fifty-six million, four hundred seventy-five thousand, six hundred sixty-three".