505500005 has 8 divisors (see below), whose sum is σ = 611377152. Its totient is φ = 401215248.

The previous prime is 505499971. The next prime is 505500013. The reversal of 505500005 is 500005505.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 505500005 - 2⁶ = 505499941 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 505500005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397397 + ... + 398666.

It is an arithmetic number, because the mean of its divisors is an integer number (76422144).

Almost surely, 2^505500005 is an apocalyptic number.

It is an amenable number.

505500005 is a deficient number, since it is larger than the sum of its proper divisors (105877147).

505500005 is a wasteful number, since it uses less digits than its factorization.

505500005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796195.

The product of its (nonzero) digits is 625, while the sum is 20.

The square root of 505500005 is about 22483.3272671106. The cubic root of 505500005 is about 796.6001577463.

It can be divided in two parts, 50 and 5500005, that added together give a palindrome (5500055).

The spelling of 505500005 in words is "five hundred five million, five hundred thousand, five".