53265869 has 2 divisors, whose sum is σ = 53265870. Its totient is φ = 53265868.

The previous prime is 53265857. The next prime is 53265881. The reversal of 53265869 is 96856235.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (53265857) and next prime (53265881).

It can be written as a sum of positive squares in only one way, i.e., 51652969 + 1612900 = 7187^2 + 1270^2 .

It is a cyclic number.

It is not a de Polignac number, because 53265869 - 2¹⁶ = 53200333 is a prime.

It is a super-2 number, since 2×53265869² = 5674505600650322, 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 (53265809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26632934 + 26632935.

It is an arithmetic number, because the mean of its divisors is an integer number (26632935).

Almost surely, 2^53265869 is an apocalyptic number.

It is an amenable number.

53265869 is a deficient number, since it is larger than the sum of its proper divisors (1).

53265869 is an equidigital number, since it uses as much as digits as its factorization.

53265869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 44.

The square root of 53265869 is about 7298.3470046306. The cubic root of 53265869 is about 376.2556286616.

The spelling of 53265869 in words is "fifty-three million, two hundred sixty-five thousand, eight hundred sixty-nine".