53693 has 2 divisors, whose sum is σ = 53694. Its totient is φ = 53692.

The previous prime is 53681. The next prime is 53699. The reversal of 53693 is 39635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38809 + 14884 = 197^2 + 122^2 .

It is a cyclic number.

It is not a de Polignac number, because 53693 - 2⁶ = 53629 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26846 + 26847.

It is an arithmetic number, because the mean of its divisors is an integer number (26847).

2⁵³⁶⁹³ is an apocalyptic number.

It is an amenable number.

53693 is a deficient number, since it is larger than the sum of its proper divisors (1).

53693 is an equidigital number, since it uses as much as digits as its factorization.

53693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2430, while the sum is 26.

The square root of 53693 is about 231.7175004181. The cubic root of 53693 is about 37.7258664805.

The spelling of 53693 in words is "fifty-three thousand, six hundred ninety-three".