52139093 has 2 divisors, whose sum is σ = 52139094. Its totient is φ = 52139092.

The previous prime is 52139089. The next prime is 52139107. The reversal of 52139093 is 39093125.

52139093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27952369 + 24186724 = 5287^2 + 4918^2 .

It is a cyclic number.

It is not a de Polignac number, because 52139093 - 2² = 52139089 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52139033) 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, 26069546 + 26069547.

It is an arithmetic number, because the mean of its divisors is an integer number (26069547).

Almost surely, 2^52139093 is an apocalyptic number.

It is an amenable number.

52139093 is a deficient number, since it is larger than the sum of its proper divisors (1).

52139093 is an equidigital number, since it uses as much as digits as its factorization.

52139093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 52139093 is about 7220.7404744943. The cubic root of 52139093 is about 373.5836182209.

The spelling of 52139093 in words is "fifty-two million, one hundred thirty-nine thousand, ninety-three".