550969944 has 128 divisors (see below), whose sum is σ = 1650278400. Its totient is φ = 149973120.

The previous prime is 550969943. The next prime is 550969957. The reversal of 550969944 is 449969055.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550969943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348147 + ... + 349725.

It is an arithmetic number, because the mean of its divisors is an integer number (12892800).

Almost surely, 2^550969944 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 550969944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825139200).

550969944 is an abundant number, since it is smaller than the sum of its proper divisors (1099308456).

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

550969944 is a wasteful number, since it uses less digits than its factorization.

550969944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693 (or 1689 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The square root of 550969944 is about 23472.7489655558. The cubic root of 550969944 is about 819.8026215399.

The spelling of 550969944 in words is "five hundred fifty million, nine hundred sixty-nine thousand, nine hundred forty-four".