52545139 has 2 divisors, whose sum is σ = 52545140. Its totient is φ = 52545138.

The previous prime is 52545083. The next prime is 52545151. The reversal of 52545139 is 93154525.

52545139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52545139 - 2²⁵ = 18990707 is a prime.

It is not a weakly prime, because it can be changed into another prime (52545539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26272569 + 26272570.

It is an arithmetic number, because the mean of its divisors is an integer number (26272570).

Almost surely, 2^52545139 is an apocalyptic number.

52545139 is a deficient number, since it is larger than the sum of its proper divisors (1).

52545139 is an equidigital number, since it uses as much as digits as its factorization.

52545139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 34.

The square root of 52545139 is about 7248.8025907732. The cubic root of 52545139 is about 374.5509029723.

The spelling of 52545139 in words is "fifty-two million, five hundred forty-five thousand, one hundred thirty-nine".