53695289 has 2 divisors, whose sum is σ = 53695290. Its totient is φ = 53695288.

The previous prime is 53695277. The next prime is 53695303. The reversal of 53695289 is 98259635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32581264 + 21114025 = 5708^2 + 4595^2 .

It is a cyclic number.

It is not a de Polignac number, because 53695289 - 2¹² = 53691193 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (53695249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26847644 + 26847645.

It is an arithmetic number, because the mean of its divisors is an integer number (26847645).

Almost surely, 2^53695289 is an apocalyptic number.

It is an amenable number.

53695289 is a deficient number, since it is larger than the sum of its proper divisors (1).

53695289 is an equidigital number, since it uses as much as digits as its factorization.

53695289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 47.

The square root of 53695289 is about 7327.7069401007. The cubic root of 53695289 is about 377.2640257326.

The spelling of 53695289 in words is "fifty-three million, six hundred ninety-five thousand, two hundred eighty-nine".