550085616 has 60 divisors (see below), whose sum is σ = 1548148680. Its totient is φ = 182328960.

The previous prime is 550085581. The next prime is 550085621. The reversal of 550085616 is 616580055.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 15106 + ... + 36446.

It is an arithmetic number, because the mean of its divisors is an integer number (25802478).

Almost surely, 2^550085616 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 550085616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774074340).

550085616 is an abundant number, since it is smaller than the sum of its proper divisors (998063064).

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

550085616 is a wasteful number, since it uses less digits than its factorization.

550085616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21534 (or 21525 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 550085616 is about 23453.9040673403. The cubic root of 550085616 is about 819.3637817342.

The spelling of 550085616 in words is "five hundred fifty million, eighty-five thousand, six hundred sixteen".