505542004 has 12 divisors (see below), whose sum is σ = 965125728. Its totient is φ = 229791800.

The previous prime is 505541941. The next prime is 505542043. The reversal of 505542004 is 400245505.

It is a self number, because there is not a number n which added to its sum of digits gives 505542004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5744752 + ... + 5744839.

It is an arithmetic number, because the mean of its divisors is an integer number (80427144).

Almost surely, 2^505542004 is an apocalyptic number.

It is an amenable number.

505542004 is a deficient number, since it is larger than the sum of its proper divisors (459583724).

505542004 is a wasteful number, since it uses less digits than its factorization.

505542004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11489606 (or 11489604 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 505542004 is about 22484.2612509284. The cubic root of 505542004 is about 796.6222187309.

Adding to 505542004 its reverse (400245505), we get a palindrome (905787509).

The spelling of 505542004 in words is "five hundred five million, five hundred forty-two thousand, four".