550465056 has 72 divisors (see below), whose sum is σ = 1573737984. Its totient is φ = 182509440.

The previous prime is 550465043. The next prime is 550465061. The reversal of 550465056 is 650564055.

It is a happy number.

550465056 is a `hidden beast` number, since 550 + 4 + 6 + 50 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×550465056³ (a number of 27 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 550465056.

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, 50005 + ... + 60011.

It is an arithmetic number, because the mean of its divisors is an integer number (21857472).

Almost surely, 2^550465056 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 550465056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786868992).

550465056 is an abundant number, since it is smaller than the sum of its proper divisors (1023272928).

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

550465056 is a wasteful number, since it uses less digits than its factorization.

550465056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10214 (or 10203 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 550465056 is about 23461.9917313087. The cubic root of 550465056 is about 819.5521329819.

The spelling of 550465056 in words is "five hundred fifty million, four hundred sixty-five thousand, fifty-six".