556778059 has 2 divisors, whose sum is σ = 556778060. Its totient is φ = 556778058.

The previous prime is 556778051. The next prime is 556778063. The reversal of 556778059 is 950877655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556778059 - 2³ = 556778051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556777997 and 556778015.

It is not a weakly prime, because it can be changed into another prime (556778051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278389029 + 278389030.

It is an arithmetic number, because the mean of its divisors is an integer number (278389030).

Almost surely, 2^556778059 is an apocalyptic number.

556778059 is a deficient number, since it is larger than the sum of its proper divisors (1).

556778059 is an equidigital number, since it uses as much as digits as its factorization.

556778059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646000, while the sum is 52.

The square root of 556778059 is about 23596.1450029449. The cubic root of 556778059 is about 822.6732402397.

It can be divided in two parts, 55677 and 8059, that added together give a palindrome (63736).

The spelling of 556778059 in words is "five hundred fifty-six million, seven hundred seventy-eight thousand, fifty-nine".