53042214217 has 2 divisors, whose sum is σ = 53042214218. Its totient is φ = 53042214216.

The previous prime is 53042214193. The next prime is 53042214223. The reversal of 53042214217 is 71241224035.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49060478016 + 3981736201 = 221496^2 + 63101^2 .

It is a cyclic number.

It is not a de Polignac number, because 53042214217 - 2¹¹ = 53042212169 is a prime.

It is not a weakly prime, because it can be changed into another prime (53042214227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26521107108 + 26521107109.

It is an arithmetic number, because the mean of its divisors is an integer number (26521107109).

Almost surely, 2^53042214217 is an apocalyptic number.

It is an amenable number.

53042214217 is a deficient number, since it is larger than the sum of its proper divisors (1).

53042214217 is an equidigital number, since it uses as much as digits as its factorization.

53042214217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 53042214217 in words is "fifty-three billion, forty-two million, two hundred fourteen thousand, two hundred seventeen".