5555512656 has 60 divisors (see below), whose sum is σ = 16123572192. Its totient is φ = 1851836256.

The previous prime is 5555512609. The next prime is 5555512661. The reversal of 5555512656 is 6562155555.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 710556 + ... + 718331.

Almost surely, 2^5555512656 is an apocalyptic number.

It is an amenable number.

5555512656 is an abundant number, since it is smaller than the sum of its proper divisors (10568059536).

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

5555512656 is a wasteful number, since it uses less digits than its factorization.

5555512656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428910 (or 1428892 counting only the distinct ones).

The product of its digits is 1125000, while the sum is 45.

The square root of 5555512656 is about 74535.3114704702. The cubic root of 5555512656 is about 1771.0930565346.

The spelling of 5555512656 in words is "five billion, five hundred fifty-five million, five hundred twelve thousand, six hundred fifty-six".