53042617 has 2 divisors, whose sum is σ = 53042618. Its totient is φ = 53042616.

The previous prime is 53042599. The next prime is 53042621. The reversal of 53042617 is 71624035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43283241 + 9759376 = 6579^2 + 3124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53042617 is a prime.

It is not a weakly prime, because it can be changed into another prime (53042677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26521308 + 26521309.

It is an arithmetic number, because the mean of its divisors is an integer number (26521309).

Almost surely, 2^53042617 is an apocalyptic number.

It is an amenable number.

53042617 is a deficient number, since it is larger than the sum of its proper divisors (1).

53042617 is an equidigital number, since it uses as much as digits as its factorization.

53042617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 53042617 is about 7283.0362487084. The cubic root of 53042617 is about 375.7292287191.

It can be divided in two parts, 5304 and 2617, that added together give a square (7921 = 89²).

The spelling of 53042617 in words is "fifty-three million, forty-two thousand, six hundred seventeen".