53885617 has 2 divisors, whose sum is σ = 53885618. Its totient is φ = 53885616.

The previous prime is 53885609. The next prime is 53885627. The reversal of 53885617 is 71658835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50466816 + 3418801 = 7104^2 + 1849^2 .

It is a cyclic number.

It is not a de Polignac number, because 53885617 - 2³ = 53885609 is a prime.

It is not a weakly prime, because it can be changed into another prime (53885627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26942808 + 26942809.

It is an arithmetic number, because the mean of its divisors is an integer number (26942809).

Almost surely, 2^53885617 is an apocalyptic number.

It is an amenable number.

53885617 is a deficient number, since it is larger than the sum of its proper divisors (1).

53885617 is an equidigital number, since it uses as much as digits as its factorization.

53885617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 43.

The square root of 53885617 is about 7340.6823252338. The cubic root of 53885617 is about 377.7092493697.

The spelling of 53885617 in words is "fifty-three million, eight hundred eighty-five thousand, six hundred seventeen".