53502539 has 2 divisors, whose sum is σ = 53502540. Its totient is φ = 53502538.

The previous prime is 53502521. The next prime is 53502571. The reversal of 53502539 is 93520535.

It is an a-pointer prime, because the next prime (53502571) can be obtained adding 53502539 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53502539 - 2⁸ = 53502283 is a prime.

It is a super-3 number, since 3×53502539³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53502139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26751269 + 26751270.

It is an arithmetic number, because the mean of its divisors is an integer number (26751270).

Almost surely, 2^53502539 is an apocalyptic number.

53502539 is a deficient number, since it is larger than the sum of its proper divisors (1).

53502539 is an equidigital number, since it uses as much as digits as its factorization.

53502539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20250, while the sum is 32.

The square root of 53502539 is about 7314.5429795716. The cubic root of 53502539 is about 376.8120628896.

The spelling of 53502539 in words is "fifty-three million, five hundred two thousand, five hundred thirty-nine".