550522240 has 64 divisors (see below), whose sum is σ = 1318970160. Its totient is φ = 219727872.

The previous prime is 550522229. The next prime is 550522253. The reversal of 550522240 is 42225055.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503134 + ... + 504226.

Almost surely, 2^550522240 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 550522240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (659485080).

550522240 is an abundant number, since it is smaller than the sum of its proper divisors (768447920).

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

550522240 is a wasteful number, since it uses less digits than its factorization.

550522240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 550522240 is about 23463.2103515269. The cubic root of 550522240 is about 819.5805111965.

Adding to 550522240 its reverse (42225055), we get a palindrome (592747295).

The spelling of 550522240 in words is "five hundred fifty million, five hundred twenty-two thousand, two hundred forty".