53286869 has 2 divisors, whose sum is σ = 53286870. Its totient is φ = 53286868.

The previous prime is 53286859. The next prime is 53286907. The reversal of 53286869 is 96868235.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27144100 + 26142769 = 5210^2 + 5113^2 .

It is a cyclic number.

It is not a de Polignac number, because 53286869 - 2²⁴ = 36509653 is a prime.

It is a super-2 number, since 2×53286869² = 5678980815646322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53286809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26643434 + 26643435.

It is an arithmetic number, because the mean of its divisors is an integer number (26643435).

Almost surely, 2^53286869 is an apocalyptic number.

It is an amenable number.

53286869 is a deficient number, since it is larger than the sum of its proper divisors (1).

53286869 is an equidigital number, since it uses as much as digits as its factorization.

53286869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 47.

The square root of 53286869 is about 7299.7855447951. The cubic root of 53286869 is about 376.3050682634.

The spelling of 53286869 in words is "fifty-three million, two hundred eighty-six thousand, eight hundred sixty-nine".