550686960 has 120 divisors (see below), whose sum is σ = 1884415104. Its totient is φ = 144069120.

The previous prime is 550686931. The next prime is 550686979. The reversal of 550686960 is 69686055.

550686960 is a `hidden beast` number, since 5 + 506 + 86 + 9 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×550686960² = 606512255828083200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 30945 + ... + 45375.

Almost surely, 2^550686960 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 550686960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942207552).

550686960 is an abundant number, since it is smaller than the sum of its proper divisors (1333728144).

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

550686960 is a wasteful number, since it uses less digits than its factorization.

550686960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14503 (or 14494 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 550686960 is about 23466.7202650903. The cubic root of 550686960 is about 819.6622444004.

The spelling of 550686960 in words is "five hundred fifty million, six hundred eighty-six thousand, nine hundred sixty".