505530505 has 8 divisors (see below), whose sum is σ = 606858624. Its totient is φ = 404276400.

The previous prime is 505530503. The next prime is 505530527. The reversal of 505530505 is 505035505.

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

It is not a de Polignac number, because 505530505 - 2¹ = 505530503 is a prime.

It is a super-2 number, since 2×505530505² = 511122182971110050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505530503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2161 + ... + 31870.

It is an arithmetic number, because the mean of its divisors is an integer number (75857328).

Almost surely, 2^505530505 is an apocalyptic number.

It is an amenable number.

505530505 is a deficient number, since it is larger than the sum of its proper divisors (101328119).

505530505 is a wasteful number, since it uses less digits than its factorization.

505530505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37007.

The product of its (nonzero) digits is 9375, while the sum is 28.

The square root of 505530505 is about 22484.0055372703. The cubic root of 505530505 is about 796.6161787261.

The spelling of 505530505 in words is "five hundred five million, five hundred thirty thousand, five hundred five".