505552005 has 48 divisors (see below), whose sum is σ = 1007121024. Its totient is φ = 229806720.

The previous prime is 505551997. The next prime is 505552007. The reversal of 505552005 is 500255505.

It is a happy number.

It is not a de Polignac number, because 505552005 - 2³ = 505551997 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 505552005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505552007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52582 + ... + 61448.

It is an arithmetic number, because the mean of its divisors is an integer number (20981688).

Almost surely, 2^505552005 is an apocalyptic number.

It is an amenable number.

505552005 is a deficient number, since it is larger than the sum of its proper divisors (501569019).

505552005 is a wasteful number, since it uses less digits than its factorization.

505552005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9066 (or 9063 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The square root of 505552005 is about 22484.4836498417. The cubic root of 505552005 is about 796.6274718165.

The spelling of 505552005 in words is "five hundred five million, five hundred fifty-two thousand, five".