5565225655 has 16 divisors (see below), whose sum is σ = 7713939744. Its totient is φ = 3809351680.

The previous prime is 5565225619. The next prime is 5565225661.

It is a happy number.

5565225655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5565225655 - 2²³ = 5556837047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2975122 + ... + 2976991.

It is an arithmetic number, because the mean of its divisors is an integer number (482121234).

Almost surely, 2^5565225655 is an apocalyptic number.

5565225655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5565225655 is a deficient number, since it is larger than the sum of its proper divisors (2148714089).

5565225655 is a wasteful number, since it uses less digits than its factorization.

5565225655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5952146.

The product of its digits is 2250000, while the sum is 46.

The square root of 5565225655 is about 74600.4400456190. The cubic root of 5565225655 is about 1772.1246210637.

It can be divided in two parts, 55 and 65225655, that multiplied together give a square (3587411025 = 59895²).

The spelling of 5565225655 in words is "five billion, five hundred sixty-five million, two hundred twenty-five thousand, six hundred fifty-five".