655550050505 has 32 divisors (see below), whose sum is σ = 924870859776. Its totient is φ = 436744272384.

The previous prime is 655550050469. The next prime is 655550050607. The reversal of 655550050505 is 505050055556.

It is not a de Polignac number, because 655550050505 - 2³² = 651255083209 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 (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1229054 + ... + 1679783.

It is an arithmetic number, because the mean of its divisors is an integer number (28902214368).

Almost surely, 2^655550050505 is an apocalyptic number.

It is an amenable number.

655550050505 is a deficient number, since it is larger than the sum of its proper divisors (269320809271).

655550050505 is a wasteful number, since it uses less digits than its factorization.

655550050505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909033.

The product of its (nonzero) digits is 468750, while the sum is 41.

The spelling of 655550050505 in words is "six hundred fifty-five billion, five hundred fifty million, fifty thousand, five hundred five".