550415 has 4 divisors (see below), whose sum is σ = 660504. Its totient is φ = 440328.

The previous prime is 550379. The next prime is 550427. The reversal of 550415 is 514055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 514055 = 5 ⋅102811.

It is a cyclic number.

It is not a de Polignac number, because 550415 - 2⁶ = 550351 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 3 ways as a sum of consecutive naturals, for example, 55037 + ... + 55046.

It is an arithmetic number, because the mean of its divisors is an integer number (165126).

2⁵⁵⁰⁴¹⁵ is an apocalyptic number.

550415 is a deficient number, since it is larger than the sum of its proper divisors (110089).

550415 is a wasteful number, since it uses less digits than its factorization.

550415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110088.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 550415 is about 741.8995888933. The cubic root of 550415 is about 81.9527290506.

The spelling of 550415 in words is "five hundred fifty thousand, four hundred fifteen".