505505508 has 24 divisors (see below), whose sum is σ = 1180777248. Its totient is φ = 168321216.

The previous prime is 505505501. The next prime is 505505527. The reversal of 505505508 is 805505505.

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 7 ways as a sum of consecutive naturals, for example, 10666 + ... + 33537.

It is an arithmetic number, because the mean of its divisors is an integer number (49199052).

Almost surely, 2^505505508 is an apocalyptic number.

It is an amenable number.

505505508 is an abundant number, since it is smaller than the sum of its proper divisors (675271740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505505508 is a wasteful number, since it uses less digits than its factorization.

505505508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45163 (or 45161 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 33.

The square root of 505505508 is about 22483.4496463510. The cubic root of 505505508 is about 796.6030483989.

The spelling of 505505508 in words is "five hundred five million, five hundred five thousand, five hundred eight".