53516693 has 2 divisors, whose sum is σ = 53516694. Its totient is φ = 53516692.

The previous prime is 53516669. The next prime is 53516713. The reversal of 53516693 is 39661535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32512804 + 21003889 = 5702^2 + 4583^2 .

It is a cyclic number.

It is not a de Polignac number, because 53516693 - 2¹⁰ = 53515669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53516893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26758346 + 26758347.

It is an arithmetic number, because the mean of its divisors is an integer number (26758347).

Almost surely, 2^53516693 is an apocalyptic number.

It is an amenable number.

53516693 is a deficient number, since it is larger than the sum of its proper divisors (1).

53516693 is an equidigital number, since it uses as much as digits as its factorization.

53516693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 38.

The square root of 53516693 is about 7315.5104401539. The cubic root of 53516693 is about 376.8452882766.

The spelling of 53516693 in words is "fifty-three million, five hundred sixteen thousand, six hundred ninety-three".