53909269 has 2 divisors, whose sum is σ = 53909270. Its totient is φ = 53909268.

The previous prime is 53909267. The next prime is 53909291. The reversal of 53909269 is 96290935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31696900 + 22212369 = 5630^2 + 4713^2 .

It is a cyclic number.

It is not a de Polignac number, because 53909269 - 2¹ = 53909267 is a prime.

It is a super-2 number, since 2×53909269² = 5812418568228722, which contains 22 as substring.

Together with 53909267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53909267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26954634 + 26954635.

It is an arithmetic number, because the mean of its divisors is an integer number (26954635).

Almost surely, 2^53909269 is an apocalyptic number.

It is an amenable number.

53909269 is a deficient number, since it is larger than the sum of its proper divisors (1).

53909269 is an equidigital number, since it uses as much as digits as its factorization.

53909269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 53909269 is about 7342.2931703930. The cubic root of 53909269 is about 377.7645038941.

It can be divided in two parts, 5390926 and 9, that added together give a palindrome (5390935).

The spelling of 53909269 in words is "fifty-three million, nine hundred nine thousand, two hundred sixty-nine".