550429944 has 64 divisors (see below), whose sum is σ = 1470506400. Its totient is φ = 171085824.

The previous prime is 550429933. The next prime is 550429967. The reversal of 550429944 is 449924055.

550429944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 550429896 and 550429905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38284 + ... + 50660.

Almost surely, 2^550429944 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 550429944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (735253200).

550429944 is an abundant number, since it is smaller than the sum of its proper divisors (920076456).

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

550429944 is a wasteful number, since it uses less digits than its factorization.

550429944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12512 (or 12508 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 550429944 is about 23461.2434453078. The cubic root of 550429944 is about 819.5347072761.

The spelling of 550429944 in words is "five hundred fifty million, four hundred twenty-nine thousand, nine hundred forty-four".