505308055 has 8 divisors (see below), whose sum is σ = 692993952. Its totient is φ = 346496928.

The previous prime is 505308053. The next prime is 505308071. The reversal of 505308055 is 550803505.

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 505308055 - 2¹ = 505308053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505308053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7218652 + ... + 7218721.

It is an arithmetic number, because the mean of its divisors is an integer number (86624244).

Almost surely, 2^505308055 is an apocalyptic number.

505308055 is a deficient number, since it is larger than the sum of its proper divisors (187685897).

505308055 is a wasteful number, since it uses less digits than its factorization.

505308055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14437385.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 505308055 is about 22479.0581430806. The cubic root of 505308055 is about 796.4993158360.

It can be divided in two parts, 50530 and 8055, that added together give a palindrome (58585).

The spelling of 505308055 in words is "five hundred five million, three hundred eight thousand, fifty-five".