505055529 has 24 divisors (see below), whose sum is σ = 799448832. Its totient is φ = 304708320.

The previous prime is 505055521. The next prime is 505055531. The reversal of 505055529 is 925550505.

505055529 is a `hidden beast` number, since 50 + 50 + 5 + 552 + 9 = 666.

It is not a de Polignac number, because 505055529 - 2³ = 505055521 is a prime.

It is a super-3 number, since 3×505055529³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505055493 and 505055502.

It is not an unprimeable number, because it can be changed into a prime (505055521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10639 + ... + 33515.

It is an arithmetic number, because the mean of its divisors is an integer number (33310368).

Almost surely, 2^505055529 is an apocalyptic number.

It is an amenable number.

505055529 is a deficient number, since it is larger than the sum of its proper divisors (294393303).

505055529 is a wasteful number, since it uses less digits than its factorization.

505055529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23117 (or 23114 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 36.

The square root of 505055529 is about 22473.4405243167. The cubic root of 505055529 is about 796.3666111097.

The spelling of 505055529 in words is "five hundred five million, fifty-five thousand, five hundred twenty-nine".