5544139 has 2 divisors, whose sum is σ = 5544140. Its totient is φ = 5544138.

The previous prime is 5544137. The next prime is 5544163. The reversal of 5544139 is 9314455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5544139 - 2¹ = 5544137 is a prime.

Together with 5544137, it forms a pair of twin primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5544139.

It is not a weakly prime, because it can be changed into another prime (5544137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2772069 + 2772070.

It is an arithmetic number, because the mean of its divisors is an integer number (2772070).

Almost surely, 2^5544139 is an apocalyptic number.

5544139 is a deficient number, since it is larger than the sum of its proper divisors (1).

5544139 is an equidigital number, since it uses as much as digits as its factorization.

5544139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The square root of 5544139 is about 2354.5995413233. The cubic root of 5544139 is about 176.9883593268.

The spelling of 5544139 in words is "five million, five hundred forty-four thousand, one hundred thirty-nine".