5544139903 has 32 divisors (see below), whose sum is σ = 6316876800. Its totient is φ = 4839284736.

The previous prime is 5544139897. The next prime is 5544139927. The reversal of 5544139903 is 3099314455.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5544139903 - 2¹⁷ = 5544008831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5544139903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5544139933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1663743 + ... + 1667071.

It is an arithmetic number, because the mean of its divisors is an integer number (197402400).

Almost surely, 2^5544139903 is an apocalyptic number.

5544139903 is a deficient number, since it is larger than the sum of its proper divisors (772736897).

5544139903 is a wasteful number, since it uses less digits than its factorization.

5544139903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511.

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 5544139903 is about 74458.9813454361. The cubic root of 5544139903 is about 1769.8836893578.

The spelling of 5544139903 in words is "five billion, five hundred forty-four million, one hundred thirty-nine thousand, nine hundred three".