4550220655 has 8 divisors (see below), whose sum is σ = 5587247952. Its totient is φ = 3555521088.

The previous prime is 4550220637. The next prime is 4550220673. The reversal of 4550220655 is 5560220554.

It is an interprime number because it is at equal distance from previous prime (4550220637) and next prime (4550220673).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4550220655 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4550220655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10581694 + ... + 10582123.

It is an arithmetic number, because the mean of its divisors is an integer number (698405994).

Almost surely, 2^4550220655 is an apocalyptic number.

4550220655 is a deficient number, since it is larger than the sum of its proper divisors (1037027297).

4550220655 is a wasteful number, since it uses less digits than its factorization.

4550220655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21163865.

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 4550220655 is about 67455.3234000105. The cubic root of 4550220655 is about 1657.0825825513.

The spelling of 4550220655 in words is "four billion, five hundred fifty million, two hundred twenty thousand, six hundred fifty-five".