5538280905 has 16 divisors (see below), whose sum is σ = 9845832960. Its totient is φ = 2953749744.

The previous prime is 5538280901. The next prime is 5538280939. The reversal of 5538280905 is 5090828355.

5538280905 is a `hidden beast` number, since 5 + 538 + 28 + 0 + 90 + 5 = 666.

5538280905 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5538280905 - 2² = 5538280901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5538280901) 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, 20512017 + ... + 20512286.

It is an arithmetic number, because the mean of its divisors is an integer number (615364560).

Almost surely, 2^5538280905 is an apocalyptic number.

It is an amenable number.

5538280905 is a deficient number, since it is larger than the sum of its proper divisors (4307552055).

5538280905 is a wasteful number, since it uses less digits than its factorization.

5538280905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41024317 (or 41024311 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The square root of 5538280905 is about 74419.6271490257. The cubic root of 5538280905 is about 1769.2600037962.

The spelling of 5538280905 in words is "five billion, five hundred thirty-eight million, two hundred eighty thousand, nine hundred five".