505500505 has 8 divisors (see below), whose sum is σ = 608010624. Its totient is φ = 403460400.

The previous prime is 505500493. The next prime is 505500533. The reversal of 505500505 is 505005505.

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

It is not a de Polignac number, because 505500505 - 2¹¹ = 505498457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505500505.

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, 115131 + ... + 119440.

It is an arithmetic number, because the mean of its divisors is an integer number (76001328).

Almost surely, 2^505500505 is an apocalyptic number.

It is an amenable number.

505500505 is a deficient number, since it is larger than the sum of its proper divisors (102510119).

505500505 is a wasteful number, since it uses less digits than its factorization.

505500505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235007.

The product of its (nonzero) digits is 3125, while the sum is 25.

The square root of 505500505 is about 22483.3383864585. The cubic root of 505500505 is about 796.6004203905.

The spelling of 505500505 in words is "five hundred five million, five hundred thousand, five hundred five".