550459944 has 48 divisors (see below), whose sum is σ = 1569297600. Its totient is φ = 173829024.

The previous prime is 550459909. The next prime is 550459957. The reversal of 550459944 is 449954055.

550459944 is a `hidden beast` number, since 5 + 50 + 4 + 599 + 4 + 4 = 666.

It is a super-2 number, since 2×550459944² = 606012299896966272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550459944.

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 11 ways as a sum of consecutive naturals, for example, 199824 + ... + 202559.

It is an arithmetic number, because the mean of its divisors is an integer number (32693700).

Almost surely, 2^550459944 is an apocalyptic number.

It is an amenable number.

550459944 is an abundant number, since it is smaller than the sum of its proper divisors (1018837656).

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

550459944 is a wasteful number, since it uses less digits than its factorization.

550459944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402414 (or 402407 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 550459944 is about 23461.8827888983. The cubic root of 550459944 is about 819.5495959977.

The spelling of 550459944 in words is "five hundred fifty million, four hundred fifty-nine thousand, nine hundred forty-four".