556603647 has 8 divisors (see below), whose sum is σ = 785793456. Its totient is φ = 349241472.

The previous prime is 556603637. The next prime is 556603669. The reversal of 556603647 is 746306655.

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

It is not a de Polignac number, because 556603647 - 2⁸ = 556603391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556603599 and 556603608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556603637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5456848 + ... + 5456949.

It is an arithmetic number, because the mean of its divisors is an integer number (98224182).

Almost surely, 2^556603647 is an apocalyptic number.

556603647 is a deficient number, since it is larger than the sum of its proper divisors (229189809).

556603647 is a wasteful number, since it uses less digits than its factorization.

556603647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10913817.

The product of its (nonzero) digits is 453600, while the sum is 42.

The square root of 556603647 is about 23592.4489402860. The cubic root of 556603647 is about 822.5873298441.

The spelling of 556603647 in words is "five hundred fifty-six million, six hundred three thousand, six hundred forty-seven".