556056943 has 8 divisors (see below), whose sum is σ = 600028128. Its totient is φ = 512256864.

The previous prime is 556056931. The next prime is 556056971. The reversal of 556056943 is 349650655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556056943 - 2¹³ = 556048751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 556056943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556056913) 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 7 ways as a sum of consecutive naturals, for example, 35980 + ... + 49057.

It is an arithmetic number, because the mean of its divisors is an integer number (75003516).

Almost surely, 2^556056943 is an apocalyptic number.

556056943 is a deficient number, since it is larger than the sum of its proper divisors (43971185).

556056943 is a wasteful number, since it uses less digits than its factorization.

556056943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85553.

The product of its (nonzero) digits is 486000, while the sum is 43.

The square root of 556056943 is about 23580.8596747447. The cubic root of 556056943 is about 822.3179226371.

The spelling of 556056943 in words is "five hundred fifty-six million, fifty-six thousand, nine hundred forty-three".