655005555055 has 16 divisors (see below), whose sum is σ = 792117612000. Its totient is φ = 519931601280.

The previous prime is 655005555053. The next prime is 655005555073. The reversal of 655005555055 is 550555500556.

It is a happy number.

It is not a de Polignac number, because 655005555055 - 2¹ = 655005555053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655005554996 and 655005555014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655005555053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4878361 + ... + 5010829.

It is an arithmetic number, because the mean of its divisors is an integer number (49507350750).

Almost surely, 2^655005555055 is an apocalyptic number.

655005555055 is a deficient number, since it is larger than the sum of its proper divisors (137112056945).

655005555055 is a wasteful number, since it uses less digits than its factorization.

655005555055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140154.

The product of its (nonzero) digits is 2343750, while the sum is 46.

The spelling of 655005555055 in words is "six hundred fifty-five billion, five million, five hundred fifty-five thousand, fifty-five".