53427443 has 4 divisors (see below), whose sum is σ = 53478768. Its totient is φ = 53376120.

The previous prime is 53427427. The next prime is 53427461. The reversal of 53427443 is 34472435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34472435 = 5 ⋅6894487.

It is a cyclic number.

It is not a de Polignac number, because 53427443 - 2⁴ = 53427427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53427403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24068 + ... + 26193.

It is an arithmetic number, because the mean of its divisors is an integer number (13369692).

Almost surely, 2^53427443 is an apocalyptic number.

53427443 is a deficient number, since it is larger than the sum of its proper divisors (51325).

53427443 is a wasteful number, since it uses less digits than its factorization.

53427443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51324.

The product of its digits is 40320, while the sum is 32.

The square root of 53427443 is about 7309.4078419527. The cubic root of 53427443 is about 376.6356829223.

Adding to 53427443 its reverse (34472435), we get a palindrome (87899878).

The spelling of 53427443 in words is "fifty-three million, four hundred twenty-seven thousand, four hundred forty-three".