505057808 has 20 divisors (see below), whose sum is σ = 984021840. Its totient is φ = 251116704.

The previous prime is 505057801. The next prime is 505057831. The reversal of 505057808 is 808750505.

It is not an unprimeable number, because it can be changed into a prime (505057801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85310 + ... + 91037.

It is an arithmetic number, because the mean of its divisors is an integer number (49201092).

Almost surely, 2^505057808 is an apocalyptic number.

It is an amenable number.

505057808 is a deficient number, since it is larger than the sum of its proper divisors (478964032).

505057808 is a wasteful number, since it uses less digits than its factorization.

505057808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176534 (or 176528 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 38.

The square root of 505057808 is about 22473.4912285564. The cubic root of 505057808 is about 796.3678089429.

The spelling of 505057808 in words is "five hundred five million, fifty-seven thousand, eight hundred eight".