53650217 has 2 divisors, whose sum is σ = 53650218. Its totient is φ = 53650216.

The previous prime is 53650211. The next prime is 53650229. The reversal of 53650217 is 71205635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50395801 + 3254416 = 7099^2 + 1804^2 .

It is a cyclic number.

It is not a de Polignac number, because 53650217 - 2¹⁶ = 53584681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53650217.

It is not a weakly prime, because it can be changed into another prime (53650211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26825108 + 26825109.

It is an arithmetic number, because the mean of its divisors is an integer number (26825109).

Almost surely, 2^53650217 is an apocalyptic number.

It is an amenable number.

53650217 is a deficient number, since it is larger than the sum of its proper divisors (1).

53650217 is an equidigital number, since it uses as much as digits as its factorization.

53650217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 53650217 is about 7324.6308439402. The cubic root of 53650217 is about 377.1584373005.

The spelling of 53650217 in words is "fifty-three million, six hundred fifty thousand, two hundred seventeen".