505009055 has 8 divisors (see below), whose sum is σ = 641658672. Its totient is φ = 380242048.

The previous prime is 505009027. The next prime is 505009079. The reversal of 505009055 is 550900505.

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 505009055 - 2¹⁴ = 504992671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2970557 + ... + 2970726.

It is an arithmetic number, because the mean of its divisors is an integer number (80207334).

Almost surely, 2^505009055 is an apocalyptic number.

505009055 is a deficient number, since it is larger than the sum of its proper divisors (136649617).

505009055 is a wasteful number, since it uses less digits than its factorization.

505009055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5941305.

The product of its (nonzero) digits is 5625, while the sum is 29.

The square root of 505009055 is about 22472.4065244468. The cubic root of 505009055 is about 796.3421837778.

The spelling of 505009055 in words is "five hundred five million, nine thousand, fifty-five".