505530356 has 12 divisors (see below), whose sum is σ = 885945060. Its totient is φ = 252403200.

The previous prime is 505530353. The next prime is 505530379. The reversal of 505530356 is 653035505.

It can be written as a sum of positive squares in 2 ways, for example, as 436141456 + 69388900 = 20884^2 + 8330^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505530353) 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, 87341 + ... + 92948.

It is an arithmetic number, because the mean of its divisors is an integer number (73828755).

Almost surely, 2^505530356 is an apocalyptic number.

It is an amenable number.

505530356 is a deficient number, since it is larger than the sum of its proper divisors (380414704).

505530356 is a wasteful number, since it uses less digits than its factorization.

505530356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180994 (or 180992 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 32.

The square root of 505530356 is about 22484.0022238035. The cubic root of 505530356 is about 796.6161004613.

The spelling of 505530356 in words is "five hundred five million, five hundred thirty thousand, three hundred fifty-six".