505505505 has 16 divisors (see below), whose sum is σ = 816819264. Its totient is φ = 266932800.

The previous prime is 505505501. The next prime is 505505527.

505505505 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 505505505 - 2² = 505505501 is a prime.

505505505 is a modest number, since divided by 505505 gives 505 as remainder.

It is not an unprimeable number, because it can be changed into a prime (505505501) 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, 165319 + ... + 168348.

It is an arithmetic number, because the mean of its divisors is an integer number (51051204).

Almost surely, 2^505505505 is an apocalyptic number.

It is an amenable number.

505505505 is a deficient number, since it is larger than the sum of its proper divisors (311313759).

505505505 is a wasteful number, since it uses less digits than its factorization.

505505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333776.

The product of its (nonzero) digits is 15625, while the sum is 30.

The square root of 505505505 is about 22483.4495796352. The cubic root of 505505505 is about 796.6030468231.

The spelling of 505505505 in words is "five hundred five million, five hundred five thousand, five hundred five".