53245439 has 8 divisors (see below), whose sum is σ = 57412992. Its totient is φ = 49088160.

The previous prime is 53245427. The next prime is 53245441. The reversal of 53245439 is 93454235.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53245439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53245399 and 53245408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53215439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10817 + ... + 14949.

It is an arithmetic number, because the mean of its divisors is an integer number (7176624).

Almost surely, 2^53245439 is an apocalyptic number.

53245439 is a deficient number, since it is larger than the sum of its proper divisors (4167553).

53245439 is a wasteful number, since it uses less digits than its factorization.

53245439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5137.

The product of its digits is 64800, while the sum is 35.

The square root of 53245439 is about 7296.9472384005. The cubic root of 53245439 is about 376.2075185202.

The spelling of 53245439 in words is "fifty-three million, two hundred forty-five thousand, four hundred thirty-nine".