55656065655 has 64 divisors (see below), whose sum is σ = 105802070400. Its totient is φ = 27660441600.

The previous prime is 55656065651. The next prime is 55656065671.

55656065655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55656065655 - 2² = 55656065651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55656065651) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 111741 + ... + 351849.

It is an arithmetic number, because the mean of its divisors is an integer number (1653157350).

Almost surely, 2^55656065655 is an apocalyptic number.

55656065655 is a deficient number, since it is larger than the sum of its proper divisors (50146004745).

55656065655 is a wasteful number, since it uses less digits than its factorization.

55656065655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240241 (or 240235 counting only the distinct ones).

The product of its (nonzero) digits is 20250000, while the sum is 54.

The spelling of 55656065655 in words is "fifty-five billion, six hundred fifty-six million, sixty-five thousand, six hundred fifty-five".