556439556 has 24 divisors (see below), whose sum is σ = 1317739360. Its totient is φ = 182711232.

The previous prime is 556439551. The next prime is 556439573. The reversal of 556439556 is 655934655.

It is a super-3 number, since 3×556439556³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (556439551) 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, 345241 + ... + 346848.

Almost surely, 2^556439556 is an apocalyptic number.

It is an amenable number.

556439556 is an abundant number, since it is smaller than the sum of its proper divisors (761299804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556439556 is a wasteful number, since it uses less digits than its factorization.

556439556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692163 (or 692161 counting only the distinct ones).

The product of its digits is 2430000, while the sum is 48.

The square root of 556439556 is about 23588.9710670050. The cubic root of 556439556 is about 822.5064868931.

The spelling of 556439556 in words is "five hundred fifty-six million, four hundred thirty-nine thousand, five hundred fifty-six".