505576 has 8 divisors (see below), whose sum is σ = 947970. Its totient is φ = 252784.

The previous prime is 505573. The next prime is 505601. The reversal of 505576 is 675505.

505576 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 280900 + 224676 = 530^2 + 474^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (505573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31591 + ... + 31606.

2⁵⁰⁵⁵⁷⁶ is an apocalyptic number.

It is an amenable number.

505576 is a deficient number, since it is larger than the sum of its proper divisors (442394).

505576 is a wasteful number, since it uses less digits than its factorization.

505576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63203 (or 63199 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 505576 is about 711.0386768665. The cubic root of 505576 is about 79.6640075053.

It can be divided in two parts, 505 and 576, that added together give a triangular number (1081 = T₄₆).

The spelling of 505576 in words is "five hundred five thousand, five hundred seventy-six".