550451 has 8 divisors (see below), whose sum is σ = 606144. Its totient is φ = 495720.

The previous prime is 550447. The next prime is 550457. The reversal of 550451 is 154055.

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 550451 - 2² = 550447 is a prime.

It is a plaindrome in base 12.

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 (550457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640 + ... + 1946.

It is an arithmetic number, because the mean of its divisors is an integer number (75768).

2⁵⁵⁰⁴⁵¹ is an apocalyptic number.

550451 is a deficient number, since it is larger than the sum of its proper divisors (55693).

550451 is a wasteful number, since it uses less digits than its factorization.

550451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481.

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

The square root of 550451 is about 741.9238505399. The cubic root of 550451 is about 81.9545157230.

It can be divided in two parts, 5504 and 51, that added together give a palindrome (5555).

The spelling of 550451 in words is "five hundred fifty thousand, four hundred fifty-one".