53952109 has 2 divisors, whose sum is σ = 53952110. Its totient is φ = 53952108.

The previous prime is 53952103. The next prime is 53952113. The reversal of 53952109 is 90125935.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42863209 + 11088900 = 6547^2 + 3330^2 .

It is a cyclic number.

It is not a de Polignac number, because 53952109 - 2²⁵ = 20397677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53952103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26976054 + 26976055.

It is an arithmetic number, because the mean of its divisors is an integer number (26976055).

Almost surely, 2^53952109 is an apocalyptic number.

It is an amenable number.

53952109 is a deficient number, since it is larger than the sum of its proper divisors (1).

53952109 is an equidigital number, since it uses as much as digits as its factorization.

53952109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 53952109 is about 7345.2099357336. The cubic root of 53952109 is about 377.8645432548.

The spelling of 53952109 in words is "fifty-three million, nine hundred fifty-two thousand, one hundred nine".