5550919920 has 900 divisors, whose sum is σ = 24788513880. Its totient is φ = 1109541888.

The previous prime is 5550919897. The next prime is 5550919921. The reversal of 5550919920 is 299190555.

5550919920 is a `hidden beast` number, since 5 + 550 + 9 + 1 + 9 + 92 + 0 = 666.

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 (5550919921) by changing a digit.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 292153671 + ... + 292153689.

Almost surely, 2^5550919920 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 5550919920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12394256940).

5550919920 is an abundant number, since it is smaller than the sum of its proper divisors (19237593960).

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

5550919920 is a wasteful number, since it uses less digits than its factorization.

5550919920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 182250, while the sum is 45.

The square root of 5550919920 is about 74504.4959717197. The cubic root of 5550919920 is about 1770.6048684426.

The spelling of 5550919920 in words is "five billion, five hundred fifty million, nine hundred nineteen thousand, nine hundred twenty".