556853665 has 8 divisors (see below), whose sum is σ = 668389248. Its totient is φ = 445373040.

The previous prime is 556853659. The next prime is 556853711. The reversal of 556853665 is 566358655.

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

It is not a de Polignac number, because 556853665 - 2¹³ = 556845473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13450 + ... + 35980.

It is an arithmetic number, because the mean of its divisors is an integer number (83548656).

Almost surely, 2^556853665 is an apocalyptic number.

It is an amenable number.

556853665 is a deficient number, since it is larger than the sum of its proper divisors (111535583).

556853665 is a wasteful number, since it uses less digits than its factorization.

556853665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27479.

The product of its digits is 3240000, while the sum is 49.

The square root of 556853665 is about 23597.7470322910. The cubic root of 556853665 is about 822.7104760328.

The spelling of 556853665 in words is "five hundred fifty-six million, eight hundred fifty-three thousand, six hundred sixty-five".