505500104 has 16 divisors (see below), whose sum is σ = 957016320. Its totient is φ = 250295760.

The previous prime is 505500103. The next prime is 505500109. The reversal of 505500104 is 401005505.

It is not an unprimeable number, because it can be changed into a prime (505500101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305912 + ... + 307559.

It is an arithmetic number, because the mean of its divisors is an integer number (59813520).

Almost surely, 2^505500104 is an apocalyptic number.

It is an amenable number.

505500104 is a deficient number, since it is larger than the sum of its proper divisors (451516216).

505500104 is a wasteful number, since it uses less digits than its factorization.

505500104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613580 (or 613576 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 505500104 is about 22483.3294687419. The cubic root of 505500104 is about 796.6002097499.

Adding to 505500104 its reverse (401005505), we get a palindrome (906505609).

The spelling of 505500104 in words is "five hundred five million, five hundred thousand, one hundred four".