556680043 has 2 divisors, whose sum is σ = 556680044. Its totient is φ = 556680042.

The previous prime is 556680037. The next prime is 556680049. The reversal of 556680043 is 340086655.

It is a balanced prime because it is at equal distance from previous prime (556680037) and next prime (556680049).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556680043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556679984 and 556680011.

It is not a weakly prime, because it can be changed into another prime (556680049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278340021 + 278340022.

It is an arithmetic number, because the mean of its divisors is an integer number (278340022).

Almost surely, 2^556680043 is an apocalyptic number.

556680043 is a deficient number, since it is larger than the sum of its proper divisors (1).

556680043 is an equidigital number, since it uses as much as digits as its factorization.

556680043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 556680043 is about 23594.0679620959. The cubic root of 556680043 is about 822.6249625516.

The spelling of 556680043 in words is "five hundred fifty-six million, six hundred eighty thousand, forty-three".