550669680 has 240 divisors, whose sum is σ = 2105865216. Its totient is φ = 127649280.

The previous prime is 550669667. The next prime is 550669687. The reversal of 550669680 is 86966055.

550669680 is a `hidden beast` number, since 5 + 506 + 69 + 6 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550669687) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180649 + ... + 183671.

Almost surely, 2^550669680 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 550669680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1052932608).

550669680 is an abundant number, since it is smaller than the sum of its proper divisors (1555195536).

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

550669680 is a wasteful number, since it uses less digits than its factorization.

550669680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076 (or 3067 counting only the distinct ones).

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

The square root of 550669680 is about 23466.3520812247. The cubic root of 550669680 is about 819.6536709199.

It can be divided in two parts, 55066 and 9680, that added together give a palindrome (64746).

The spelling of 550669680 in words is "five hundred fifty million, six hundred sixty-nine thousand, six hundred eighty".