556285747 has 4 divisors (see below), whose sum is σ = 589008456. Its totient is φ = 523563040.

The previous prime is 556285729. The next prime is 556285777. The reversal of 556285747 is 747582655.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 556285747 - 2⁷ = 556285619 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 556285747.

It is not an unprimeable number, because it can be changed into a prime (556285727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16361329 + ... + 16361362.

It is an arithmetic number, because the mean of its divisors is an integer number (147252114).

Almost surely, 2^556285747 is an apocalyptic number.

556285747 is a deficient number, since it is larger than the sum of its proper divisors (32722709).

556285747 is a wasteful number, since it uses less digits than its factorization.

556285747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32722708.

The product of its digits is 2352000, while the sum is 49.

The square root of 556285747 is about 23585.7106528508. The cubic root of 556285747 is about 822.4306951579.

The spelling of 556285747 in words is "five hundred fifty-six million, two hundred eighty-five thousand, seven hundred forty-seven".