505560500 has 48 divisors (see below), whose sum is σ = 1118208000. Its totient is φ = 199648800.

The previous prime is 505560479. The next prime is 505560521. The reversal of 505560500 is 5065505.

It is an interprime number because it is at equal distance from previous prime (505560479) and next prime (505560521).

It is a self number, because there is not a number n which added to its sum of digits gives 505560500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33101 + ... + 45899.

It is an arithmetic number, because the mean of its divisors is an integer number (23296000).

Almost surely, 2^505560500 is an apocalyptic number.

505560500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505560500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559104000).

505560500 is an abundant number, since it is smaller than the sum of its proper divisors (612647500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505560500 is a wasteful number, since it uses less digits than its factorization.

505560500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12897 (or 12885 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 505560500 is about 22484.6725570999. The cubic root of 505560500 is about 796.6319338121.

The spelling of 505560500 in words is "five hundred five million, five hundred sixty thousand, five hundred".