505011006 has 48 divisors (see below), whose sum is σ = 1126629504.
Its totient is φ = 163395792.
The previous prime is 505010983. The next prime is 505011011. The reversal of 505011006 is 600110505.
It is a super-2 number, since 2×5050110062 = 510072232362264072, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a self number, because there is not a number n which added to its sum of digits gives 505011006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127305 + ... + 131211.
It is an arithmetic number, because the mean of its divisors is an integer number (23471448).
Almost surely, 2505011006 is an apocalyptic number.
505011006 is an abundant number, since it is smaller than the sum of its proper divisors (621618498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
505011006 is a wasteful number, since it uses less digits than its factorization.
505011006 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4125 (or 4122 counting only the distinct ones).
The product of its (nonzero) digits is 150, while the sum is 18.
The square root of 505011006 is about 22472.4499331960.
The cubic root of 505011006 is about 796.3432092786.
The spelling of 505011006 in words is "five hundred five million, eleven thousand, six".