505055 has 8 divisors (see below), whose sum is σ = 613872. Its totient is φ = 398848.

The previous prime is 505051. The next prime is 505061. The reversal of 505055 is 550505.

It is a happy number.

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 505055 - 2² = 505051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194 + ... + 1023.

It is an arithmetic number, because the mean of its divisors is an integer number (76734).

2⁵⁰⁵⁰⁵⁵ is an apocalyptic number.

505055 is a deficient number, since it is larger than the sum of its proper divisors (108817).

505055 is a wasteful number, since it uses less digits than its factorization.

505055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305.

The product of its (nonzero) digits is 625, while the sum is 20.

The square root of 505055 is about 710.6722169890. The cubic root of 505055 is about 79.6366333069.

The spelling of 505055 in words is "five hundred five thousand, fifty-five".