53124517 has 2 divisors, whose sum is σ = 53124518. Its totient is φ = 53124516.

The previous prime is 53124499. The next prime is 53124527. The reversal of 53124517 is 71542135.

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., 53012961 + 111556 = 7281^2 + 334^2 .

It is a cyclic number.

It is not a de Polignac number, because 53124517 - 2⁷ = 53124389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53124527) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26562258 + 26562259.

It is an arithmetic number, because the mean of its divisors is an integer number (26562259).

Almost surely, 2^53124517 is an apocalyptic number.

It is an amenable number.

53124517 is a deficient number, since it is larger than the sum of its proper divisors (1).

53124517 is an equidigital number, since it uses as much as digits as its factorization.

53124517 is an evil number, because the sum of its binary digits is even.

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

The square root of 53124517 is about 7288.6567349547. The cubic root of 53124517 is about 375.9225097780.

The spelling of 53124517 in words is "fifty-three million, one hundred twenty-four thousand, five hundred seventeen".