505050506 has 8 divisors (see below), whose sum is σ = 761501604. Its totient is φ = 251216640.

The previous prime is 505050493. The next prime is 505050517. The reversal of 505050506 is 605050505.

It can be written as a sum of positive squares in 2 ways, for example, as 503598481 + 1452025 = 22441^2 + 1205^2 .

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

It is a super-2 number, since 2×505050506² = 510152027221712072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653825 + ... + 654596.

Almost surely, 2^505050506 is an apocalyptic number.

505050506 is a deficient number, since it is larger than the sum of its proper divisors (256451098).

505050506 is a wasteful number, since it uses less digits than its factorization.

505050506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308616.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 505050506 is about 22473.3287698997. The cubic root of 505050506 is about 796.3639710286.

Subtracting 505050506 from its reverse (605050505), we obtain a palindrome (99999999).

The spelling of 505050506 in words is "five hundred five million, fifty thousand, five hundred six".