5545665456 has 20 divisors (see below), whose sum is σ = 14326302552. Its totient is φ = 1848555136.

The previous prime is 5545665449. The next prime is 5545665457. The reversal of 5545665456 is 6545665455.

It is a junction number, because it is equal to n+sod(n) for n = 5545665399 and 5545665408.

It is not an unprimeable number, because it can be changed into a prime (5545665457) 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, 57767301 + ... + 57767396.

Almost surely, 2^5545665456 is an apocalyptic number.

It is an amenable number.

5545665456 is an abundant number, since it is smaller than the sum of its proper divisors (8780637096).

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

5545665456 is a wasteful number, since it uses less digits than its factorization.

5545665456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115534708 (or 115534702 counting only the distinct ones).

The product of its digits is 10800000, while the sum is 51.

The square root of 5545665456 is about 74469.2248918975. The cubic root of 5545665456 is about 1770.0460111248.

Subtracting 5545665456 from its reverse (6545665455), we obtain a palindrome (999999999).

The spelling of 5545665456 in words is "five billion, five hundred forty-five million, six hundred sixty-five thousand, four hundred fifty-six".