550047 has 4 divisors (see below), whose sum is σ = 733400. Its totient is φ = 366696.

The previous prime is 550027. The next prime is 550049. The reversal of 550047 is 740055.

550047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 550047 - 2¹⁰ = 549023 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550049) 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, 91672 + ... + 91677.

It is an arithmetic number, because the mean of its divisors is an integer number (183350).

2⁵⁵⁰⁰⁴⁷ is an apocalyptic number.

550047 is a deficient number, since it is larger than the sum of its proper divisors (183353).

550047 is a wasteful number, since it uses less digits than its factorization.

550047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183352.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 550047 is about 741.6515354262. The cubic root of 550047 is about 81.9344608178.

The spelling of 550047 in words is "five hundred fifty thousand, forty-seven".