5455139 has 2 divisors, whose sum is σ = 5455140. Its totient is φ = 5455138.

The previous prime is 5455133. The next prime is 5455141. The reversal of 5455139 is 9315545.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5455139 is a prime.

It is a Sophie Germain prime.

Together with 5455141, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5455133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2727569 + 2727570.

It is an arithmetic number, because the mean of its divisors is an integer number (2727570).

Almost surely, 2^5455139 is an apocalyptic number.

5455139 is a deficient number, since it is larger than the sum of its proper divisors (1).

5455139 is an equidigital number, since it uses as much as digits as its factorization.

5455139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 32.

The square root of 5455139 is about 2335.6238995181. The cubic root of 5455139 is about 176.0361818691.

The spelling of 5455139 in words is "five million, four hundred fifty-five thousand, one hundred thirty-nine".