53845117 has 2 divisors, whose sum is σ = 53845118. Its totient is φ = 53845116.

The previous prime is 53845091. The next prime is 53845133. The reversal of 53845117 is 71154835.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45887076 + 7958041 = 6774^2 + 2821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53845117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53845157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26922558 + 26922559.

It is an arithmetic number, because the mean of its divisors is an integer number (26922559).

Almost surely, 2^53845117 is an apocalyptic number.

It is an amenable number.

53845117 is a deficient number, since it is larger than the sum of its proper divisors (1).

53845117 is an equidigital number, since it uses as much as digits as its factorization.

53845117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 34.

The square root of 53845117 is about 7337.9232075568. The cubic root of 53845117 is about 377.6145978995.

It can be divided in two parts, 5384 and 5117, that added together give a palindrome (10501).

The spelling of 53845117 in words is "fifty-three million, eight hundred forty-five thousand, one hundred seventeen".