550074 has 24 divisors (see below), whose sum is σ = 1280448. Its totient is φ = 157080.

The previous prime is 550073. The next prime is 550111. The reversal of 550074 is 470055.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 550074.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 642 + ... + 1229.

It is an arithmetic number, because the mean of its divisors is an integer number (53352).

2⁵⁵⁰⁰⁷⁴ is an apocalyptic number.

550074 is an abundant number, since it is smaller than the sum of its proper divisors (730374).

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

550074 is a wasteful number, since it uses less digits than its factorization.

550074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890 (or 1883 counting only the distinct ones).

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

The square root of 550074 is about 741.6697378214. The cubic root of 550074 is about 81.9358014270.

The spelling of 550074 in words is "five hundred fifty thousand, seventy-four".