505555330 has 16 divisors (see below), whose sum is σ = 1039999680. Its totient is φ = 173333232.

The previous prime is 505555327. The next prime is 505555381. The reversal of 505555330 is 33555505.

It is a junction number, because it is equal to n+sod(n) for n = 505555292 and 505555301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3611040 + ... + 3611179.

It is an arithmetic number, because the mean of its divisors is an integer number (64999980).

Almost surely, 2^505555330 is an apocalyptic number.

505555330 is an abundant number, since it is smaller than the sum of its proper divisors (534444350).

505555330 is a wasteful number, since it uses less digits than its factorization.

505555330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7222233.

The product of its (nonzero) digits is 28125, while the sum is 31.

The square root of 505555330 is about 22484.5575895991. The cubic root of 505555330 is about 796.6292182775.

The spelling of 505555330 in words is "five hundred five million, five hundred fifty-five thousand, three hundred thirty".