505055502 has 24 divisors (see below), whose sum is σ = 1250613936. Its totient is φ = 144301536.

The previous prime is 505055501. The next prime is 505055519. The reversal of 505055502 is 205550505.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505055501) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2004063 + ... + 2004314.

It is an arithmetic number, because the mean of its divisors is an integer number (52108914).

Almost surely, 2^505055502 is an apocalyptic number.

505055502 is an abundant number, since it is smaller than the sum of its proper divisors (745558434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505055502 is a wasteful number, since it uses less digits than its factorization.

505055502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008392 (or 4008389 counting only the distinct ones).

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

The square root of 505055502 is about 22473.4399236076. The cubic root of 505055502 is about 796.3665969186.

The spelling of 505055502 in words is "five hundred five million, fifty-five thousand, five hundred two".