550340 has 24 divisors (see below), whose sum is σ = 1321152. Its totient is φ = 188640.

The previous prime is 550337. The next prime is 550351. The reversal of 550340 is 43055.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 550340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826 + ... + 2105.

It is an arithmetic number, because the mean of its divisors is an integer number (55048).

2⁵⁵⁰³⁴⁰ is an apocalyptic number.

It is an amenable number.

550340 is an abundant number, since it is smaller than the sum of its proper divisors (770812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550340 is a wasteful number, since it uses less digits than its factorization.

550340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947 (or 3945 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 550340 is about 741.8490412476. The cubic root of 550340 is about 81.9490065661.

Adding to 550340 its reverse (43055), we get a palindrome (593395).

The spelling of 550340 in words is "five hundred fifty thousand, three hundred forty".