550055 has 16 divisors (see below), whose sum is σ = 735264. Its totient is φ = 391680.

The previous prime is 550049. The next prime is 550061.

It is a happy number.

550055 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (550049) and next prime (550061).

It is not a de Polignac number, because 550055 - 2¹² = 545959 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3947 + ... + 4083.

It is an arithmetic number, because the mean of its divisors is an integer number (45954).

2⁵⁵⁰⁰⁵⁵ is an apocalyptic number.

550055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550055 is a deficient number, since it is larger than the sum of its proper divisors (185209).

550055 is a wasteful number, since it uses less digits than its factorization.

550055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226.

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

The square root of 550055 is about 741.6569287750. The cubic root of 550055 is about 81.9348580399.

It can be divided in two parts, 5500 and 55, that multiplied together give a square (302500 = 550²).

The spelling of 550055 in words is "five hundred fifty thousand, fifty-five".