550453 has 4 divisors (see below), whose sum is σ = 552448. Its totient is φ = 548460.

The previous prime is 550447. The next prime is 550457. The reversal of 550453 is 354055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 550453 - 2¹³ = 542261 is a prime.

It is a Duffinian number.

550453 is a lucky number.

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 3 ways as a sum of consecutive naturals, for example, 501 + ... + 1162.

It is an arithmetic number, because the mean of its divisors is an integer number (138112).

2⁵⁵⁰⁴⁵³ is an apocalyptic number.

It is an amenable number.

550453 is a deficient number, since it is larger than the sum of its proper divisors (1995).

550453 is a wasteful number, since it uses less digits than its factorization.

550453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 550453 is about 741.9251983859. The cubic root of 550453 is about 81.9546149803.

The spelling of 550453 in words is "five hundred fifty thousand, four hundred fifty-three".