53745617 has 2 divisors, whose sum is σ = 53745618. Its totient is φ = 53745616.

The previous prime is 53745589. The next prime is 53745631. The reversal of 53745617 is 71654735.

53745617 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., 49900096 + 3845521 = 7064^2 + 1961^2 .

It is a cyclic number.

It is not a de Polignac number, because 53745617 - 2⁶ = 53745553 is a prime.

It is not a weakly prime, because it can be changed into another prime (53745647) 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, 26872808 + 26872809.

It is an arithmetic number, because the mean of its divisors is an integer number (26872809).

Almost surely, 2^53745617 is an apocalyptic number.

It is an amenable number.

53745617 is a deficient number, since it is larger than the sum of its proper divisors (1).

53745617 is an equidigital number, since it uses as much as digits as its factorization.

53745617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200, while the sum is 38.

The square root of 53745617 is about 7331.1402250946. The cubic root of 53745617 is about 377.3818573912.

The spelling of 53745617 in words is "fifty-three million, seven hundred forty-five thousand, six hundred seventeen".