556905616 has 20 divisors (see below), whose sum is σ = 1080619452. Its totient is φ = 278036096.

The previous prime is 556905581. The next prime is 556905619. The reversal of 556905616 is 616509655.

It can be written as a sum of positive squares in 2 ways, for example, as 424195216 + 132710400 = 20596^2 + 11520^2 .

It is not an unprimeable number, because it can be changed into a prime (556905619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14875 + ... + 36538.

Almost surely, 2^556905616 is an apocalyptic number.

It is an amenable number.

556905616 is a deficient number, since it is larger than the sum of its proper divisors (523713836).

556905616 is a wasteful number, since it uses less digits than its factorization.

556905616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52098 (or 52092 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 43.

The square root of 556905616 is about 23598.8477684823. The cubic root of 556905616 is about 822.7360598355.

The spelling of 556905616 in words is "five hundred fifty-six million, nine hundred five thousand, six hundred sixteen".