2504055665 has 8 divisors (see below), whose sum is σ = 3012438120. Its totient is φ = 1998196992.

The previous prime is 2504055641. The next prime is 2504055677. The reversal of 2504055665 is 5665504052.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 159946609 + 2344109056 = 12647^2 + 48416^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2504055665 - 2²⁶ = 2436946801 is a prime.

It is a Curzon 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, 628760 + ... + 632729.

It is an arithmetic number, because the mean of its divisors is an integer number (376554765).

Almost surely, 2^2504055665 is an apocalyptic number.

It is an amenable number.

2504055665 is a deficient number, since it is larger than the sum of its proper divisors (508382455).

2504055665 is a wasteful number, since it uses less digits than its factorization.

2504055665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261891.

The product of its (nonzero) digits is 180000, while the sum is 38.

The square root of 2504055665 is about 50040.5402149098. The cubic root of 2504055665 is about 1357.9423296863.

The spelling of 2504055665 in words is "two billion, five hundred four million, fifty-five thousand, six hundred sixty-five".