53835439 has 8 divisors (see below), whose sum is σ = 62687520. Its totient is φ = 45273696.

The previous prime is 53835409. The next prime is 53835449. The reversal of 53835439 is 93453835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53835439 - 2²⁵ = 20281007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53835409) 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 in 7 ways as a sum of consecutive naturals, for example, 72184 + ... + 72925.

It is an arithmetic number, because the mean of its divisors is an integer number (7835940).

Almost surely, 2^53835439 is an apocalyptic number.

53835439 is a deficient number, since it is larger than the sum of its proper divisors (8852081).

53835439 is a wasteful number, since it uses less digits than its factorization.

53835439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145169.

The product of its digits is 194400, while the sum is 40.

The square root of 53835439 is about 7337.2637270307. The cubic root of 53835439 is about 377.5919726782.

The spelling of 53835439 in words is "fifty-three million, eight hundred thirty-five thousand, four hundred thirty-nine".