505030755 has 8 divisors (see below), whose sum is σ = 808049232. Its totient is φ = 269349728.

The previous prime is 505030741. The next prime is 505030759. The reversal of 505030755 is 557030505.

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 505030755 - 2⁸ = 505030499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505030759) 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 7 ways as a sum of consecutive naturals, for example, 16834344 + ... + 16834373.

It is an arithmetic number, because the mean of its divisors is an integer number (101006154).

Almost surely, 2^505030755 is an apocalyptic number.

505030755 is a deficient number, since it is larger than the sum of its proper divisors (303018477).

505030755 is a wasteful number, since it uses less digits than its factorization.

505030755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33668725.

The product of its (nonzero) digits is 13125, while the sum is 30.

The square root of 505030755 is about 22472.8893335948. The cubic root of 505030755 is about 796.3535897633.

The spelling of 505030755 in words is "five hundred five million, thirty thousand, seven hundred fifty-five".