556679069 has 8 divisors (see below), whose sum is σ = 563403960. Its totient is φ = 549964800.

The previous prime is 556679009. The next prime is 556679083. The reversal of 556679069 is 960976655.

It can be written as a sum of positive squares in 4 ways, for example, as 190969 + 556488100 = 437^2 + 23590^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556679069 is a prime.

It is a super-4 number, since 4×556679069⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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 556679069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556679009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163949 + ... + 167309.

It is an arithmetic number, because the mean of its divisors is an integer number (70425495).

Almost surely, 2^556679069 is an apocalyptic number.

It is an amenable number.

556679069 is a deficient number, since it is larger than the sum of its proper divisors (6724891).

556679069 is a wasteful number, since it uses less digits than its factorization.

556679069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5311.

The product of its (nonzero) digits is 3061800, while the sum is 53.

The square root of 556679069 is about 23594.0473213054. The cubic root of 556679069 is about 822.6244827804.

The spelling of 556679069 in words is "five hundred fifty-six million, six hundred seventy-nine thousand, sixty-nine".