505596 has 48 divisors (see below), whose sum is σ = 1455104. Its totient is φ = 133056.

The previous prime is 505573. The next prime is 505601. The reversal of 505596 is 695505.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

505596 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861 + ... + 1323.

2⁵⁰⁵⁵⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727552).

505596 is an abundant number, since it is smaller than the sum of its proper divisors (949508).

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

505596 is a wasteful number, since it uses less digits than its factorization.

505596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 505596 is about 711.0527406599. The cubic root of 505596 is about 79.6650579633.

It can be divided in two parts, 5055 and 96, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 505596 in words is "five hundred five thousand, five hundred ninety-six".