5549755890 has 32 divisors (see below), whose sum is σ = 15222188160. Its totient is φ = 1268515584.

The previous prime is 5549755853. The next prime is 5549755891. The reversal of 5549755890 is 985579455.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5549755890.

It is not an unprimeable number, because it can be changed into a prime (5549755891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13213495 + ... + 13213914.

It is an arithmetic number, because the mean of its divisors is an integer number (475693380).

Almost surely, 2^5549755890 is an apocalyptic number.

5549755890 is an abundant number, since it is smaller than the sum of its proper divisors (9672432270).

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

5549755890 is a wasteful number, since it uses less digits than its factorization.

5549755890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26427426.

The product of its (nonzero) digits is 11340000, while the sum is 57.

The square root of 5549755890 is about 74496.6837516946. The cubic root of 5549755890 is about 1770.4810942875.

The spelling of 5549755890 in words is "five billion, five hundred forty-nine million, seven hundred fifty-five thousand, eight hundred ninety".