550812 has 24 divisors (see below), whose sum is σ = 1297296. Its totient is φ = 181888.

The previous prime is 550811. The next prime is 550813. The reversal of 550812 is 218055.

550812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (550811) and next prime (550813).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2248 + ... + 2480.

It is an arithmetic number, because the mean of its divisors is an integer number (54054).

2⁵⁵⁰⁸¹² is an apocalyptic number.

It is an amenable number.

550812 is an abundant number, since it is smaller than the sum of its proper divisors (746484).

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

550812 is a wasteful number, since it uses less digits than its factorization.

550812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 550812 is about 742.1670970880. The cubic root of 550812 is about 81.9724277714.

Adding to 550812 its reverse (218055), we get a palindrome (768867).

The spelling of 550812 in words is "five hundred fifty thousand, eight hundred twelve".