53109361 has 2 divisors, whose sum is σ = 53109362. Its totient is φ = 53109360.

The previous prime is 53109299. The next prime is 53109373. The reversal of 53109361 is 16390135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45819361 + 7290000 = 6769^2 + 2700^2 .

It is a cyclic number.

It is not a de Polignac number, because 53109361 - 2¹⁵ = 53076593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53100361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26554680 + 26554681.

It is an arithmetic number, because the mean of its divisors is an integer number (26554681).

Almost surely, 2^53109361 is an apocalyptic number.

It is an amenable number.

53109361 is a deficient number, since it is larger than the sum of its proper divisors (1).

53109361 is an equidigital number, since it uses as much as digits as its factorization.

53109361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 53109361 is about 7287.6169630408. The cubic root of 53109361 is about 375.8867571489.

Adding to 53109361 its reverse (16390135), we get a palindrome (69499496).

The spelling of 53109361 in words is "fifty-three million, one hundred nine thousand, three hundred sixty-one".