550048128 has 384 divisors, whose sum is σ = 1875363840. Its totient is φ = 141926400.

The previous prime is 550048111. The next prime is 550048129. The reversal of 550048128 is 821840055.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550048129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13415788 + ... + 13415828.

It is an arithmetic number, because the mean of its divisors is an integer number (4883760).

Almost surely, 2^550048128 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 550048128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937681920).

550048128 is an abundant number, since it is smaller than the sum of its proper divisors (1325315712).

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

550048128 is a wasteful number, since it uses less digits than its factorization.

550048128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 550048128 is about 23453.1048690786. The cubic root of 550048128 is about 819.3451682637.

It can be divided in two parts, 5500 and 48128, that added together give a triangular number (53628 = T₃₂₇).

The spelling of 550048128 in words is "five hundred fifty million, forty-eight thousand, one hundred twenty-eight".