550497 has 4 divisors (see below), whose sum is σ = 734000. Its totient is φ = 366996.

The previous prime is 550489. The next prime is 550513. The reversal of 550497 is 794055.

550497 is nontrivially palindromic in base 2.

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 not a de Polignac number, because 550497 - 2³ = 550489 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 550497.

It is not an unprimeable number, because it can be changed into a prime (550427) 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, 91747 + ... + 91752.

It is an arithmetic number, because the mean of its divisors is an integer number (183500).

2⁵⁵⁰⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

550497 is a deficient number, since it is larger than the sum of its proper divisors (183503).

550497 is a wasteful number, since it uses less digits than its factorization.

550497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183502.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 550497 is about 741.9548503784. The cubic root of 550497 is about 81.9567985800.

The spelling of 550497 in words is "five hundred fifty thousand, four hundred ninety-seven".