5455555568 has 20 divisors (see below), whose sum is σ = 10586150568. Its totient is φ = 2723645760.

The previous prime is 5455555549. The next prime is 5455555619. The reversal of 5455555568 is 8655555545.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247346 + ... + 268497.

Almost surely, 2^5455555568 is an apocalyptic number.

It is an amenable number.

5455555568 is a deficient number, since it is larger than the sum of its proper divisors (5130595000).

5455555568 is a wasteful number, since it uses less digits than its factorization.

5455555568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516512 (or 516506 counting only the distinct ones).

The product of its digits is 15000000, while the sum is 53.

The square root of 5455555568 is about 73861.7327714426. The cubic root of 5455555568 is about 1760.4066260882.

The spelling of 5455555568 in words is "five billion, four hundred fifty-five million, five hundred fifty-five thousand, five hundred sixty-eight".