556011609 has 8 divisors (see below), whose sum is σ = 743988192. Its totient is φ = 369354720.

The previous prime is 556011587. The next prime is 556011667. The reversal of 556011609 is 906110655.

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

It is not a de Polignac number, because 556011609 - 2⁸ = 556011353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556011609.

It is not an unprimeable number, because it can be changed into a prime (556011109) 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, 328939 + ... + 330624.

It is an arithmetic number, because the mean of its divisors is an integer number (92998524).

Almost surely, 2^556011609 is an apocalyptic number.

It is an amenable number.

556011609 is a deficient number, since it is larger than the sum of its proper divisors (187976583).

556011609 is a wasteful number, since it uses less digits than its factorization.

556011609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659847.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 556011609 is about 23579.8984094504. The cubic root of 556011609 is about 822.2955748217.

The spelling of 556011609 in words is "five hundred fifty-six million, eleven thousand, six hundred nine".