505055507 has 8 divisors (see below), whose sum is σ = 564408432. Its totient is φ = 447942400.

The previous prime is 505055501. The next prime is 505055519. The reversal of 505055507 is 705550505.

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 505055507 - 2²⁶ = 437946643 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 559478 + ... + 560379.

It is an arithmetic number, because the mean of its divisors is an integer number (70551054).

Almost surely, 2^505055507 is an apocalyptic number.

505055507 is a deficient number, since it is larger than the sum of its proper divisors (59352925).

505055507 is a wasteful number, since it uses less digits than its factorization.

505055507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119909.

The product of its (nonzero) digits is 21875, while the sum is 32.

The square root of 505055507 is about 22473.4400348500. The cubic root of 505055507 is about 796.3665995466.

The spelling of 505055507 in words is "five hundred five million, fifty-five thousand, five hundred seven".