53214517 has 2 divisors, whose sum is σ = 53214518. Its totient is φ = 53214516.

The previous prime is 53214493. The next prime is 53214523. The reversal of 53214517 is 71541235.

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., 32729841 + 20484676 = 5721^2 + 4526^2 .

It is a cyclic number.

It is not a de Polignac number, because 53214517 - 2¹¹ = 53212469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53214527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26607258 + 26607259.

It is an arithmetic number, because the mean of its divisors is an integer number (26607259).

Almost surely, 2^53214517 is an apocalyptic number.

It is an amenable number.

53214517 is a deficient number, since it is larger than the sum of its proper divisors (1).

53214517 is an equidigital number, since it uses as much as digits as its factorization.

53214517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 28.

The square root of 53214517 is about 7294.8280994140. The cubic root of 53214517 is about 376.1346775922.

The spelling of 53214517 in words is "fifty-three million, two hundred fourteen thousand, five hundred seventeen".