550502 has 4 divisors (see below), whose sum is σ = 825756. Its totient is φ = 275250.

The previous prime is 550489. The next prime is 550513. The reversal of 550502 is 205055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 205055 = 5 ⋅41011.

It is a plaindrome in base 11.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

550502 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137624 + ... + 137627.

It is an arithmetic number, because the mean of its divisors is an integer number (206439).

2⁵⁵⁰⁵⁰² is an apocalyptic number.

550502 is a deficient number, since it is larger than the sum of its proper divisors (275254).

550502 is a wasteful number, since it uses less digits than its factorization.

550502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275253.

The product of its (nonzero) digits is 250, while the sum is 17.

The square root of 550502 is about 741.9582198480. The cubic root of 550502 is about 81.9570467089.

Adding to 550502 its reverse (205055), we get a palindrome (755557).

The spelling of 550502 in words is "five hundred fifty thousand, five hundred two".