53975239 has 2 divisors, whose sum is σ = 53975240. Its totient is φ = 53975238.

The previous prime is 53975213. The next prime is 53975261. The reversal of 53975239 is 93257935.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53975239 - 2⁷ = 53975111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53975195 and 53975204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53975269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26987619 + 26987620.

It is an arithmetic number, because the mean of its divisors is an integer number (26987620).

Almost surely, 2^53975239 is an apocalyptic number.

53975239 is a deficient number, since it is larger than the sum of its proper divisors (1).

53975239 is an equidigital number, since it uses as much as digits as its factorization.

53975239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 255150, while the sum is 43.

The square root of 53975239 is about 7346.7842625192. The cubic root of 53975239 is about 377.9185340895.

The spelling of 53975239 in words is "fifty-three million, nine hundred seventy-five thousand, two hundred thirty-nine".