550000505 has 8 divisors (see below), whose sum is σ = 694737600. Its totient is φ = 416842416.

The previous prime is 550000499. The next prime is 550000519. The reversal of 550000505 is 505000055.

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 550000505 - 2⁶ = 550000441 is a prime.

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, 2894645 + ... + 2894834.

It is an arithmetic number, because the mean of its divisors is an integer number (86842200).

Almost surely, 2^550000505 is an apocalyptic number.

It is an amenable number.

550000505 is a deficient number, since it is larger than the sum of its proper divisors (144737095).

550000505 is a wasteful number, since it uses less digits than its factorization.

550000505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5789503.

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

The square root of 550000505 is about 23452.0895657509. The cubic root of 550000505 is about 819.3215213625.

It can be divided in two parts, 55000050 and 5, that added together give a palindrome (55000055).

The spelling of 550000505 in words is "five hundred fifty million, five hundred five", and thus it is an aban number.