550985097432 has 128 divisors (see below), whose sum is σ = 1721324828160. Its totient is φ = 142782289920.

The previous prime is 550985097427. The next prime is 550985097449. The reversal of 550985097432 is 234790589055.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 455898 + ... + 1144470.

It is an arithmetic number, because the mean of its divisors is an integer number (13447850220).

Almost surely, 2^550985097432 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 550985097432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860662414080).

550985097432 is an abundant number, since it is smaller than the sum of its proper divisors (1170339730728).

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

550985097432 is a wasteful number, since it uses less digits than its factorization.

550985097432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689033 (or 689029 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 57.

The spelling of 550985097432 in words is "five hundred fifty billion, nine hundred eighty-five million, ninety-seven thousand, four hundred thirty-two".