505505338 has 16 divisors (see below), whose sum is σ = 819632520. Its totient is φ = 232439616.

The previous prime is 505505311. The next prime is 505505347. The reversal of 505505338 is 833505505.

It can be written as a sum of positive squares in 4 ways, for example, as 342509049 + 162996289 = 18507^2 + 12767^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29145 + ... + 43132.

Almost surely, 2^505505338 is an apocalyptic number.

505505338 is a deficient number, since it is larger than the sum of its proper divisors (314127182).

505505338 is a wasteful number, since it uses less digits than its factorization.

505505338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72561.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 505505338 is about 22483.4458657920. The cubic root of 505505338 is about 796.6029591005.

The spelling of 505505338 in words is "five hundred five million, five hundred five thousand, three hundred thirty-eight".