505588 has 6 divisors (see below), whose sum is σ = 884786. Its totient is φ = 252792.

The previous prime is 505573. The next prime is 505601. The reversal of 505588 is 885505.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 374544 + 131044 = 612^2 + 362^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63195 + ... + 63202.

2⁵⁰⁵⁵⁸⁸ is an apocalyptic number.

It is an amenable number.

505588 is a deficient number, since it is larger than the sum of its proper divisors (379198).

505588 is a wasteful number, since it uses less digits than its factorization.

505588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126401 (or 126399 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 505588 is about 711.0471151759. The cubic root of 505588 is about 79.6646377834.

The spelling of 505588 in words is "five hundred five thousand, five hundred eighty-eight".