550279812 has 24 divisors (see below), whose sum is σ = 1286348896. Its totient is φ = 183089088.

The previous prime is 550279811. The next prime is 550279837. The reversal of 550279812 is 218972055.

It is not an unprimeable number, because it can be changed into a prime (550279811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35353 + ... + 48480.

Almost surely, 2^550279812 is an apocalyptic number.

It is an amenable number.

550279812 is an abundant number, since it is smaller than the sum of its proper divisors (736069084).

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

550279812 is a wasteful number, since it uses less digits than its factorization.

550279812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84387 (or 84385 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 550279812 is about 23458.0436524447. The cubic root of 550279812 is about 819.4601900288.

The spelling of 550279812 in words is "five hundred fifty million, two hundred seventy-nine thousand, eight hundred twelve".