556778063 has 2 divisors, whose sum is σ = 556778064. Its totient is φ = 556778062.

The previous prime is 556778059. The next prime is 556778069. The reversal of 556778063 is 360877655.

It is a happy number.

556778063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556778063 - 2² = 556778059 is a prime.

It is a super-2 number, since 2×556778063² = 620003622876063938, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 556777999 and 556778017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556778069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278389031 + 278389032.

It is an arithmetic number, because the mean of its divisors is an integer number (278389032).

Almost surely, 2^556778063 is an apocalyptic number.

556778063 is a deficient number, since it is larger than the sum of its proper divisors (1).

556778063 is an equidigital number, since it uses as much as digits as its factorization.

556778063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The square root of 556778063 is about 23596.1450877045. The cubic root of 556778063 is about 822.6732422098.

The spelling of 556778063 in words is "five hundred fifty-six million, seven hundred seventy-eight thousand, sixty-three".