556565655 has 16 divisors (see below), whose sum is σ = 914573664. Its totient is φ = 288812160.

The previous prime is 556565627. The next prime is 556565657.

556565655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 556565655 - 2⁵ = 556565623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556565657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500856 + ... + 501965.

It is an arithmetic number, because the mean of its divisors is an integer number (57160854).

Almost surely, 2^556565655 is an apocalyptic number.

556565655 is a deficient number, since it is larger than the sum of its proper divisors (358008009).

556565655 is a wasteful number, since it uses less digits than its factorization.

556565655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002866.

The product of its digits is 3375000, while the sum is 48.

The square root of 556565655 is about 23591.6437536684. The cubic root of 556565655 is about 822.5686136840.

The spelling of 556565655 in words is "five hundred fifty-six million, five hundred sixty-five thousand, six hundred fifty-five".