505541804 has 24 divisors (see below), whose sum is σ = 939948240. Its totient is φ = 237456576.

The previous prime is 505541791. The next prime is 505541807. The reversal of 505541804 is 408145505.

It is not an unprimeable number, because it can be changed into a prime (505541807) 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, 54602 + ... + 63185.

It is an arithmetic number, because the mean of its divisors is an integer number (39164510).

Almost surely, 2^505541804 is an apocalyptic number.

It is an amenable number.

505541804 is a deficient number, since it is larger than the sum of its proper divisors (434406436).

505541804 is a wasteful number, since it uses less digits than its factorization.

505541804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117857 (or 117855 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 505541804 is about 22484.2568033724. The cubic root of 505541804 is about 796.6221136790.

The spelling of 505541804 in words is "five hundred five million, five hundred forty-one thousand, eight hundred four".