5565555025 has 6 divisors (see below), whose sum is σ = 6901288262. Its totient is φ = 4452444000.

The previous prime is 5565554989. The next prime is 5565555049. The reversal of 5565555025 is 5205555655.

It can be written as a sum of positive squares in 3 ways, for example, as 1619579536 + 3945975489 = 40244^2 + 62817^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5565555025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111311076 + ... + 111311125.

Almost surely, 2^5565555025 is an apocalyptic number.

It is an amenable number.

5565555025 is a deficient number, since it is larger than the sum of its proper divisors (1335733237).

5565555025 is a wasteful number, since it uses less digits than its factorization.

5565555025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222622211 (or 222622206 counting only the distinct ones).

The product of its (nonzero) digits is 937500, while the sum is 43.

The square root of 5565555025 is about 74602.6475736619. The cubic root of 5565555025 is about 1772.1595806028.

The spelling of 5565555025 in words is "five billion, five hundred sixty-five million, five hundred fifty-five thousand, twenty-five".