556680041 has 4 divisors (see below), whose sum is σ = 567183492. Its totient is φ = 546176592.

The previous prime is 556680037. The next prime is 556680043. The reversal of 556680041 is 140086655.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140086655 = 5 ⋅28017331.

It can be written as a sum of positive squares in 2 ways, for example, as 361798441 + 194881600 = 19021^2 + 13960^2 .

It is a cyclic number.

It is not a de Polignac number, because 556680041 - 2² = 556680037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556679983 and 556680010.

It is not an unprimeable number, because it can be changed into a prime (556680043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5251646 + ... + 5251751.

It is an arithmetic number, because the mean of its divisors is an integer number (141795873).

Almost surely, 2^556680041 is an apocalyptic number.

It is an amenable number.

556680041 is a deficient number, since it is larger than the sum of its proper divisors (10503451).

556680041 is a wasteful number, since it uses less digits than its factorization.

556680041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10503450.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 556680041 is about 23594.0679197124. The cubic root of 556680041 is about 822.6249615664.

The spelling of 556680041 in words is "five hundred fifty-six million, six hundred eighty thousand, forty-one".