505055506 has 8 divisors (see below), whose sum is σ = 760727484. Its totient is φ = 251479680.

The previous prime is 505055501. The next prime is 505055519. The reversal of 505055506 is 605550505.

It can be written as a sum of positive squares in 2 ways, for example, as 462035025 + 43020481 = 21495^2 + 6559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (505055501) 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, 523435 + ... + 524398.

Almost surely, 2^505055506 is an apocalyptic number.

505055506 is a deficient number, since it is larger than the sum of its proper divisors (255671978).

505055506 is a wasteful number, since it uses less digits than its factorization.

505055506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048076.

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 505055506 is about 22473.4400126015. The cubic root of 505055506 is about 796.3665990210.

The spelling of 505055506 in words is "five hundred five million, fifty-five thousand, five hundred six".