52858139 has 2 divisors, whose sum is σ = 52858140. Its totient is φ = 52858138.

The previous prime is 52858087. The next prime is 52858153. The reversal of 52858139 is 93185825.

52858139 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 52858139 - 2²⁴ = 36080923 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 52858096 and 52858105.

It is not a weakly prime, because it can be changed into another prime (52858639) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26429069 + 26429070.

It is an arithmetic number, because the mean of its divisors is an integer number (26429070).

Almost surely, 2^52858139 is an apocalyptic number.

52858139 is a deficient number, since it is larger than the sum of its proper divisors (1).

52858139 is an equidigital number, since it uses as much as digits as its factorization.

52858139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 41.

The square root of 52858139 is about 7270.3603074401. The cubic root of 52858139 is about 375.2931373135.

The spelling of 52858139 in words is "fifty-two million, eight hundred fifty-eight thousand, one hundred thirty-nine".