550115328 has 96 divisors (see below), whose sum is σ = 1676263680. Its totient is φ = 157163520.

The previous prime is 550115317. The next prime is 550115329. The reversal of 550115328 is 823511055.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 550115295 and 550115304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550115329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36613 + ... + 49403.

It is an arithmetic number, because the mean of its divisors is an integer number (17461080).

Almost surely, 2^550115328 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 550115328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (838131840).

550115328 is an abundant number, since it is smaller than the sum of its proper divisors (1126148352).

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

550115328 is a wasteful number, since it uses less digits than its factorization.

550115328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12823 (or 12803 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 550115328 is about 23454.5374714574. The cubic root of 550115328 is about 819.3785336793.

The spelling of 550115328 in words is "five hundred fifty million, one hundred fifteen thousand, three hundred twenty-eight".