505053866 has 8 divisors (see below), whose sum is σ = 757676160. Its totient is φ = 252495148.

The previous prime is 505053853. The next prime is 505053881. The reversal of 505053866 is 668350505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23225 + ... + 39363.

It is an arithmetic number, because the mean of its divisors is an integer number (94709520).

Almost surely, 2^505053866 is an apocalyptic number.

505053866 is a deficient number, since it is larger than the sum of its proper divisors (252622294).

505053866 is a wasteful number, since it uses less digits than its factorization.

505053866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31788.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 505053866 is about 22473.4035250560. The cubic root of 505053866 is about 796.3657370414.

The spelling of 505053866 in words is "five hundred five million, fifty-three thousand, eight hundred sixty-six".