556627061 has 2 divisors, whose sum is σ = 556627062. Its totient is φ = 556627060.

The previous prime is 556627037. The next prime is 556627081. The reversal of 556627061 is 160726655.

556627061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 527574961 + 29052100 = 22969^2 + 5390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556627061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556627081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278313530 + 278313531.

It is an arithmetic number, because the mean of its divisors is an integer number (278313531).

Almost surely, 2^556627061 is an apocalyptic number.

It is an amenable number.

556627061 is a deficient number, since it is larger than the sum of its proper divisors (1).

556627061 is an equidigital number, since it uses as much as digits as its factorization.

556627061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 556627061 is about 23592.9451531597. The cubic root of 556627061 is about 822.5988639580.

The spelling of 556627061 in words is "five hundred fifty-six million, six hundred twenty-seven thousand, sixty-one".