53415617 has 2 divisors, whose sum is σ = 53415618. Its totient is φ = 53415616.

The previous prime is 53415601. The next prime is 53415619. The reversal of 53415617 is 71651435.

53415617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46022656 + 7392961 = 6784^2 + 2719^2 .

It is a cyclic number.

It is not a de Polignac number, because 53415617 - 2⁴ = 53415601 is a prime.

Together with 53415619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53415619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26707808 + 26707809.

It is an arithmetic number, because the mean of its divisors is an integer number (26707809).

Almost surely, 2^53415617 is an apocalyptic number.

It is an amenable number.

53415617 is a deficient number, since it is larger than the sum of its proper divisors (1).

53415617 is an equidigital number, since it uses as much as digits as its factorization.

53415617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 32.

The square root of 53415617 is about 7308.5988397230. The cubic root of 53415617 is about 376.6078918221.

The spelling of 53415617 in words is "fifty-three million, four hundred fifteen thousand, six hundred seventeen".