53730493 has 2 divisors, whose sum is σ = 53730494. Its totient is φ = 53730492.

The previous prime is 53730491. The next prime is 53730539. The reversal of 53730493 is 39403735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39275289 + 14455204 = 6267^2 + 3802^2 .

It is a cyclic number.

It is not a de Polignac number, because 53730493 - 2¹ = 53730491 is a prime.

Together with 53730491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53730491) 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, 26865246 + 26865247.

It is an arithmetic number, because the mean of its divisors is an integer number (26865247).

Almost surely, 2^53730493 is an apocalyptic number.

It is an amenable number.

53730493 is a deficient number, since it is larger than the sum of its proper divisors (1).

53730493 is an equidigital number, since it uses as much as digits as its factorization.

53730493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 53730493 is about 7330.1086622232. The cubic root of 53730493 is about 377.3464556910.

The spelling of 53730493 in words is "fifty-three million, seven hundred thirty thousand, four hundred ninety-three".