505055255528 has 16 divisors (see below), whose sum is σ = 957618814500. Its totient is φ = 249690238336.

The previous prime is 505055255501. The next prime is 505055255587. The reversal of 505055255528 is 825552550505.

It can be written as a sum of positive squares in 2 ways, for example, as 473484362404 + 31570893124 = 688102^2 + 177682^2 .

It is a super-3 number, since 3×505055255528³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354672923 + ... + 354674346.

Almost surely, 2^505055255528 is an apocalyptic number.

It is an amenable number.

505055255528 is a deficient number, since it is larger than the sum of its proper divisors (452563558972).

505055255528 is a wasteful number, since it uses less digits than its factorization.

505055255528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709347364 (or 709347360 counting only the distinct ones).

The product of its (nonzero) digits is 2500000, while the sum is 47.

The spelling of 505055255528 in words is "five hundred five billion, fifty-five million, two hundred fifty-five thousand, five hundred twenty-eight".