550667880 has 576 divisors, whose sum is σ = 2304806400. Its totient is φ = 113218560.

The previous prime is 550667879. The next prime is 550667917. The reversal of 550667880 is 88766055.

550667880 is a `hidden beast` number, since 5 + 506 + 67 + 8 + 80 = 666.

It is a super-2 number, since 2×550667880² = 606470228127388800, 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 10389934 + ... + 10389986.

It is an arithmetic number, because the mean of its divisors is an integer number (4001400).

Almost surely, 2^550667880 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 550667880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1152403200).

550667880 is an abundant number, since it is smaller than the sum of its proper divisors (1754138520).

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

550667880 is a wasteful number, since it uses less digits than its factorization.

550667880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 550667880 is about 23466.3137284065. The cubic root of 550667880 is about 819.6527778387.

The spelling of 550667880 in words is "five hundred fifty million, six hundred sixty-seven thousand, eight hundred eighty".