53275517 has 2 divisors, whose sum is σ = 53275518. Its totient is φ = 53275516.

The previous prime is 53275513. The next prime is 53275529. The reversal of 53275517 is 71557235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33016516 + 20259001 = 5746^2 + 4501^2 .

It is a cyclic number.

It is not a de Polignac number, because 53275517 - 2² = 53275513 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53275513) 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, 26637758 + 26637759.

It is an arithmetic number, because the mean of its divisors is an integer number (26637759).

Almost surely, 2^53275517 is an apocalyptic number.

It is an amenable number.

53275517 is a deficient number, since it is larger than the sum of its proper divisors (1).

53275517 is an equidigital number, since it uses as much as digits as its factorization.

53275517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36750, while the sum is 35.

The square root of 53275517 is about 7299.0079462897. The cubic root of 53275517 is about 376.2783442405.

The spelling of 53275517 in words is "fifty-three million, two hundred seventy-five thousand, five hundred seventeen".