53817293 has 2 divisors, whose sum is σ = 53817294. Its totient is φ = 53817292.

The previous prime is 53817233. The next prime is 53817317. The reversal of 53817293 is 39271835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50951044 + 2866249 = 7138^2 + 1693^2 .

It is a cyclic number.

It is not a de Polignac number, because 53817293 - 2¹⁴ = 53800909 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53817233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26908646 + 26908647.

It is an arithmetic number, because the mean of its divisors is an integer number (26908647).

Almost surely, 2^53817293 is an apocalyptic number.

It is an amenable number.

53817293 is a deficient number, since it is larger than the sum of its proper divisors (1).

53817293 is an equidigital number, since it uses as much as digits as its factorization.

53817293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 53817293 is about 7336.0270582925. The cubic root of 53817293 is about 377.5495436635.

The spelling of 53817293 in words is "fifty-three million, eight hundred seventeen thousand, two hundred ninety-three".