550118688 has 144 divisors (see below), whose sum is σ = 1701272160. Its totient is φ = 155172864.

The previous prime is 550118671. The next prime is 550118693. The reversal of 550118688 is 886811055.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 389728 + ... + 391136.

It is an arithmetic number, because the mean of its divisors is an integer number (11814390).

Almost surely, 2^550118688 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 550118688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850636080).

550118688 is an abundant number, since it is smaller than the sum of its proper divisors (1151153472).

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

550118688 is a wasteful number, since it uses less digits than its factorization.

550118688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 42.

The square root of 550118688 is about 23454.6090992794. The cubic root of 550118688 is about 819.3802018787.

The spelling of 550118688 in words is "five hundred fifty million, one hundred eighteen thousand, six hundred eighty-eight".