550118780 has 96 divisors (see below), whose sum is σ = 1258709760. Its totient is φ = 201277440.

The previous prime is 550118707. The next prime is 550118783. The reversal of 550118780 is 87811055.

It is a self number, because there is not a number n which added to its sum of digits gives 550118780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550118783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2140412 + ... + 2140668.

It is an arithmetic number, because the mean of its divisors is an integer number (13111560).

Almost surely, 2^550118780 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 550118780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629354880).

550118780 is an abundant number, since it is smaller than the sum of its proper divisors (708590980).

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

550118780 is a wasteful number, since it uses less digits than its factorization.

550118780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 35.

The square root of 550118780 is about 23454.6110605143. The cubic root of 550118780 is about 819.3802475555.

The spelling of 550118780 in words is "five hundred fifty million, one hundred eighteen thousand, seven hundred eighty".