505054 has 12 divisors (see below), whose sum is σ = 833112. Its totient is φ = 229460.

The previous prime is 505051. The next prime is 505061. The reversal of 505054 is 450505.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 802 + ... + 1285.

It is an arithmetic number, because the mean of its divisors is an integer number (69426).

2⁵⁰⁵⁰⁵⁴ is an apocalyptic number.

505054 is a deficient number, since it is larger than the sum of its proper divisors (328058).

505054 is a wasteful number, since it uses less digits than its factorization.

505054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 505054 is about 710.6715134294. The cubic root of 505054 is about 79.6365807471.

Adding to 505054 its reverse (450505), we get a palindrome (955559).

The spelling of 505054 in words is "five hundred five thousand, fifty-four".