556556061 has 16 divisors (see below), whose sum is σ = 748816704. Its totient is φ = 367676544.

The previous prime is 556556029. The next prime is 556556087. The reversal of 556556061 is 160655655.

556556061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 556556061 - 2⁵ = 556556029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556556261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372031 + ... + 373523.

It is an arithmetic number, because the mean of its divisors is an integer number (46801044).

Almost surely, 2^556556061 is an apocalyptic number.

It is an amenable number.

556556061 is a deficient number, since it is larger than the sum of its proper divisors (192260643).

556556061 is a wasteful number, since it uses less digits than its factorization.

556556061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540.

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 556556061 is about 23591.4404180838. The cubic root of 556556061 is about 822.5638872163.

It can be divided in two parts, 55655 and 6061, that added together give a palindrome (61716).

The spelling of 556556061 in words is "five hundred fifty-six million, five hundred fifty-six thousand, sixty-one".