53330617 has 2 divisors, whose sum is σ = 53330618. Its totient is φ = 53330616.

The previous prime is 53330611. The next prime is 53330657. The reversal of 53330617 is 71603335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49266361 + 4064256 = 7019^2 + 2016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53330617 is a prime.

It is not a weakly prime, because it can be changed into another prime (53330611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26665308 + 26665309.

It is an arithmetic number, because the mean of its divisors is an integer number (26665309).

Almost surely, 2^53330617 is an apocalyptic number.

It is an amenable number.

53330617 is a deficient number, since it is larger than the sum of its proper divisors (1).

53330617 is an equidigital number, since it uses as much as digits as its factorization.

53330617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 28.

The square root of 53330617 is about 7302.7814564041. The cubic root of 53330617 is about 376.4080210251.

The spelling of 53330617 in words is "fifty-three million, three hundred thirty thousand, six hundred seventeen".