505355505 has 16 divisors (see below), whose sum is σ = 811581120. Its totient is φ = 268518848.

The previous prime is 505355503. The next prime is 505355507. The reversal of 505355505 is 505553505.

505355505 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (505355503) and next prime (505355507).

It is a cyclic number.

It is not a de Polignac number, because 505355505 - 2¹ = 505355503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505355503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58587 + ... + 66656.

It is an arithmetic number, because the mean of its divisors is an integer number (50723820).

Almost surely, 2^505355505 is an apocalyptic number.

It is an amenable number.

505355505 is a deficient number, since it is larger than the sum of its proper divisors (306225615).

505355505 is a wasteful number, since it uses less digits than its factorization.

505355505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125520.

The product of its (nonzero) digits is 46875, while the sum is 33.

The square root of 505355505 is about 22480.1135450869. The cubic root of 505355505 is about 796.5242463110.

The spelling of 505355505 in words is "five hundred five million, three hundred fifty-five thousand, five hundred five".