53559139 has 2 divisors, whose sum is σ = 53559140. Its totient is φ = 53559138.

The previous prime is 53559131. The next prime is 53559169. The reversal of 53559139 is 93195535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53559139 - 2³ = 53559131 is a prime.

It is not a weakly prime, because it can be changed into another prime (53559131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26779569 + 26779570.

It is an arithmetic number, because the mean of its divisors is an integer number (26779570).

Almost surely, 2^53559139 is an apocalyptic number.

53559139 is a deficient number, since it is larger than the sum of its proper divisors (1).

53559139 is an equidigital number, since it uses as much as digits as its factorization.

53559139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91125, while the sum is 40.

The square root of 53559139 is about 7318.4109614041. The cubic root of 53559139 is about 376.9448917660.

The spelling of 53559139 in words is "fifty-three million, five hundred fifty-nine thousand, one hundred thirty-nine".