550546 has 8 divisors (see below), whose sum is σ = 831744. Its totient is φ = 273300.

The previous prime is 550541. The next prime is 550553. The reversal of 550546 is 645055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 550546.

It is not an unprimeable number, because it can be changed into a prime (550541) by changing a digit.

550546 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610 + ... + 1213.

It is an arithmetic number, because the mean of its divisors is an integer number (103968).

2⁵⁵⁰⁵⁴⁶ is an apocalyptic number.

550546 is a deficient number, since it is larger than the sum of its proper divisors (281198).

550546 is a wasteful number, since it uses less digits than its factorization.

550546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 550546 is about 741.9878705208. The cubic root of 550546 is about 81.9592301791.

The spelling of 550546 in words is "five hundred fifty thousand, five hundred forty-six".