550487812 has 96 divisors (see below), whose sum is σ = 1214873856. Its totient is φ = 212889600.

The previous prime is 550487809. The next prime is 550487827. The reversal of 550487812 is 218784055.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1307362 + ... + 1307782.

It is an arithmetic number, because the mean of its divisors is an integer number (12654936).

Almost surely, 2^550487812 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 550487812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607436928).

550487812 is an abundant number, since it is smaller than the sum of its proper divisors (664386044).

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

550487812 is a wasteful number, since it uses less digits than its factorization.

550487812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 550487812 is about 23462.4766808621. The cubic root of 550487812 is about 819.5634261428.

The spelling of 550487812 in words is "five hundred fifty million, four hundred eighty-seven thousand, eight hundred twelve".