550000540 has 12 divisors (see below), whose sum is σ = 1155001176. Its totient is φ = 220000208.

The previous prime is 550000531. The next prime is 550000547. The reversal of 550000540 is 45000055.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550000547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13749994 + ... + 13750033.

It is an arithmetic number, because the mean of its divisors is an integer number (96250098).

Almost surely, 2^550000540 is an apocalyptic number.

It is an amenable number.

550000540 is an abundant number, since it is smaller than the sum of its proper divisors (605000636).

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

550000540 is a wasteful number, since it uses less digits than its factorization.

550000540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27500036 (or 27500034 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 550000540 is about 23452.0903119530. The cubic root of 550000540 is about 819.3215387421.

Adding to 550000540 its reverse (45000055), we get a palindrome (595000595).

The spelling of 550000540 in words is "five hundred fifty million, five hundred forty", and thus it is an aban number.