5550617784 has 64 divisors (see below), whose sum is σ = 14529715200. Its totient is φ = 1763670656.

The previous prime is 5550617783. The next prime is 5550617819. The reversal of 5550617784 is 4877160555.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550617783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144577 + ... + 178895.

It is an arithmetic number, because the mean of its divisors is an integer number (227026800).

Almost surely, 2^5550617784 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 5550617784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7264857600).

5550617784 is an abundant number, since it is smaller than the sum of its proper divisors (8979097416).

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

5550617784 is a wasteful number, since it uses less digits than its factorization.

5550617784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34644 (or 34640 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 48.

The square root of 5550617784 is about 74502.4683081037. The cubic root of 5550617784 is about 1770.5727432461.

The spelling of 5550617784 in words is "five billion, five hundred fifty million, six hundred seventeen thousand, seven hundred eighty-four".