53340443 has 8 divisors (see below), whose sum is σ = 58231488. Its totient is φ = 48561984.

The previous prime is 53340439. The next prime is 53340451. The reversal of 53340443 is 34404335.

It is a happy number.

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 53340443 - 2² = 53340439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53340403) 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, 27155 + ... + 29052.

It is an arithmetic number, because the mean of its divisors is an integer number (7278936).

Almost surely, 2^53340443 is an apocalyptic number.

53340443 is a deficient number, since it is larger than the sum of its proper divisors (4891045).

53340443 is a wasteful number, since it uses less digits than its factorization.

53340443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56293.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 53340443 is about 7303.4541827823. The cubic root of 53340443 is about 376.4311369405.

Adding to 53340443 its reverse (34404335), we get a palindrome (87744778).

The spelling of 53340443 in words is "fifty-three million, three hundred forty thousand, four hundred forty-three".