53446443 has 8 divisors (see below), whose sum is σ = 71351808. Its totient is φ = 35586024.

The previous prime is 53446433. The next prime is 53446451. The reversal of 53446443 is 34464435.

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

It is not a de Polignac number, because 53446443 - 2⁴ = 53446427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53446403) 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, 8355 + ... + 13292.

It is an arithmetic number, because the mean of its divisors is an integer number (8918976).

Almost surely, 2^53446443 is an apocalyptic number.

53446443 is a deficient number, since it is larger than the sum of its proper divisors (17905365).

53446443 is a wasteful number, since it uses less digits than its factorization.

53446443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22473.

The product of its digits is 69120, while the sum is 33.

The square root of 53446443 is about 7310.7074213102. The cubic root of 53446443 is about 376.6803243366.

The spelling of 53446443 in words is "fifty-three million, four hundred forty-six thousand, four hundred forty-three".