53364439 has 4 divisors (see below), whose sum is σ = 55684656. Its totient is φ = 51044224.

The previous prime is 53364427. The next prime is 53364449. The reversal of 53364439 is 93446335.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53364439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53364398 and 53364407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53364449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160074 + ... + 1160119.

It is an arithmetic number, because the mean of its divisors is an integer number (13921164).

Almost surely, 2^53364439 is an apocalyptic number.

53364439 is a deficient number, since it is larger than the sum of its proper divisors (2320217).

53364439 is a wasteful number, since it uses less digits than its factorization.

53364439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320216.

The product of its digits is 116640, while the sum is 37.

The square root of 53364439 is about 7305.0967823842. The cubic root of 53364439 is about 376.4875762129.

The spelling of 53364439 in words is "fifty-three million, three hundred sixty-four thousand, four hundred thirty-nine".