53875109 has 2 divisors, whose sum is σ = 53875110. Its totient is φ = 53875108.

The previous prime is 53875097. The next prime is 53875111. The reversal of 53875109 is 90157835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50452609 + 3422500 = 7103^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 53875109 - 2⁴ = 53875093 is a prime.

Together with 53875111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53875609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26937554 + 26937555.

It is an arithmetic number, because the mean of its divisors is an integer number (26937555).

Almost surely, 2^53875109 is an apocalyptic number.

It is an amenable number.

53875109 is a deficient number, since it is larger than the sum of its proper divisors (1).

53875109 is an equidigital number, since it uses as much as digits as its factorization.

53875109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 53875109 is about 7339.9665530573. The cubic root of 53875109 is about 377.6846959605.

The spelling of 53875109 in words is "fifty-three million, eight hundred seventy-five thousand, one hundred nine".