550097 has 4 divisors (see below), whose sum is σ = 563556. Its totient is φ = 536640.

The previous prime is 550073. The next prime is 550111. The reversal of 550097 is 790055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99856 + 450241 = 316^2 + 671^2 .

It is a cyclic number.

It is not a de Polignac number, because 550097 - 2¹² = 546001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550007) 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, 6668 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (140889).

2⁵⁵⁰⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

550097 is a deficient number, since it is larger than the sum of its proper divisors (13459).

550097 is a wasteful number, since it uses less digits than its factorization.

550097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13458.

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 550097 is about 741.6852432130. The cubic root of 550097 is about 81.9369433929.

The spelling of 550097 in words is "five hundred fifty thousand, ninety-seven".