53730539 has 2 divisors, whose sum is σ = 53730540. Its totient is φ = 53730538.

The previous prime is 53730493. The next prime is 53730563. The reversal of 53730539 is 93503735.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53730539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53730499 and 53730508.

It is not a weakly prime, because it can be changed into another prime (53730839) 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, 26865269 + 26865270.

It is an arithmetic number, because the mean of its divisors is an integer number (26865270).

Almost surely, 2^53730539 is an apocalyptic number.

53730539 is a deficient number, since it is larger than the sum of its proper divisors (1).

53730539 is an equidigital number, since it uses as much as digits as its factorization.

53730539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42525, while the sum is 35.

The square root of 53730539 is about 7330.1117999659. Note that the first 3 decimals coincide. The cubic root of 53730539 is about 377.3465633762.

The spelling of 53730539 in words is "fifty-three million, seven hundred thirty thousand, five hundred thirty-nine".