5605556656 has 20 divisors (see below), whose sum is σ = 12412304272. Its totient is φ = 2402381376.

The previous prime is 5605556633. The next prime is 5605556657. The reversal of 5605556656 is 6566555065.

It is not an unprimeable number, because it can be changed into a prime (5605556657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25024695 + ... + 25024918.

Almost surely, 2^5605556656 is an apocalyptic number.

5605556656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5605556656 is an abundant number, since it is smaller than the sum of its proper divisors (6806747616).

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

5605556656 is a wasteful number, since it uses less digits than its factorization.

5605556656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50049628 (or 50049622 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 49.

The square root of 5605556656 is about 74870.2654997296. The cubic root of 5605556656 is about 1776.3951637393.

The spelling of 5605556656 in words is "five billion, six hundred five million, five hundred fifty-six thousand, six hundred fifty-six".