53623443 has 8 divisors (see below), whose sum is σ = 72235408. Its totient is φ = 35380224.

The previous prime is 53623433. The next prime is 53623463. The reversal of 53623443 is 34432635.

53623443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 53623443 - 2¹⁷ = 53492371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53623443.

It is not an unprimeable number, because it can be changed into a prime (53623433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91846 + ... + 92427.

It is an arithmetic number, because the mean of its divisors is an integer number (9029426).

Almost surely, 2^53623443 is an apocalyptic number.

53623443 is a deficient number, since it is larger than the sum of its proper divisors (18611965).

53623443 is a wasteful number, since it uses less digits than its factorization.

53623443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184373.

The product of its digits is 25920, while the sum is 30.

The square root of 53623443 is about 7322.8029469596. The cubic root of 53623443 is about 377.0956868847.

The spelling of 53623443 in words is "fifty-three million, six hundred twenty-three thousand, four hundred forty-three".