550443544 has 96 divisors (see below), whose sum is σ = 1306761120. Its totient is φ = 212179968.

The previous prime is 550443539. The next prime is 550443557. The reversal of 550443544 is 445344055.

It is a super-3 number, since 3×550443544³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 503062 + ... + 504154.

It is an arithmetic number, because the mean of its divisors is an integer number (13612095).

Almost surely, 2^550443544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550443544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653380560).

550443544 is an abundant number, since it is smaller than the sum of its proper divisors (756317576).

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

550443544 is a wasteful number, since it uses less digits than its factorization.

550443544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

The square root of 550443544 is about 23461.5332832277. The cubic root of 550443544 is about 819.5414568969.

Adding to 550443544 its reverse (445344055), we get a palindrome (995787599).

The spelling of 550443544 in words is "five hundred fifty million, four hundred forty-three thousand, five hundred forty-four".