556061447 has 2 divisors, whose sum is σ = 556061448. Its totient is φ = 556061446.

The previous prime is 556061383. The next prime is 556061461. The reversal of 556061447 is 744160655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556061447 - 2⁶ = 556061383 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556061447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553061447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278030723 + 278030724.

It is an arithmetic number, because the mean of its divisors is an integer number (278030724).

Almost surely, 2^556061447 is an apocalyptic number.

556061447 is a deficient number, since it is larger than the sum of its proper divisors (1).

556061447 is an equidigital number, since it uses as much as digits as its factorization.

556061447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 556061447 is about 23580.9551757345. The cubic root of 556061447 is about 822.3201428593.

The spelling of 556061447 in words is "five hundred fifty-six million, sixty-one thousand, four hundred forty-seven".