65505655 has 8 divisors (see below), whose sum is σ = 78811200. Its totient is φ = 52268256.

The previous prime is 65505647. The next prime is 65505683. The reversal of 65505655 is 55650556.

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 65505655 - 2³ = 65505647 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 14895 + ... + 18784.

It is an arithmetic number, because the mean of its divisors is an integer number (9851400).

Almost surely, 2^65505655 is an apocalyptic number.

65505655 is a deficient number, since it is larger than the sum of its proper divisors (13305545).

65505655 is a wasteful number, since it uses less digits than its factorization.

65505655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34073.

The product of its (nonzero) digits is 112500, while the sum is 37.

The square root of 65505655 is about 8093.5563876457. The cubic root of 65505655 is about 403.1124993019.

The spelling of 65505655 in words is "sixty-five million, five hundred five thousand, six hundred fifty-five".