550465 has 8 divisors (see below), whose sum is σ = 668520. Its totient is φ = 435072.

The previous prime is 550457. The next prime is 550469. The reversal of 550465 is 564055.

It can be written as a sum of positive squares in 4 ways, for example, as 44944 + 505521 = 212^2 + 711^2 .

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 550465 - 2³ = 550457 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174 + ... + 1063.

It is an arithmetic number, because the mean of its divisors is an integer number (83565).

2⁵⁵⁰⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

550465 is a deficient number, since it is larger than the sum of its proper divisors (118055).

550465 is a wasteful number, since it uses less digits than its factorization.

550465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 550465 is about 741.9332854105. The cubic root of 550465 is about 81.9552105190.

The spelling of 550465 in words is "five hundred fifty thousand, four hundred sixty-five".