53427743 has 4 divisors (see below), whose sum is σ = 54225240. Its totient is φ = 52630248.

The previous prime is 53427739. The next prime is 53427749. The reversal of 53427743 is 34772435.

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

It is a cyclic number.

It is not a de Polignac number, because 53427743 - 2² = 53427739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53427749) 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, 398648 + ... + 398781.

It is an arithmetic number, because the mean of its divisors is an integer number (13556310).

Almost surely, 2^53427743 is an apocalyptic number.

53427743 is a deficient number, since it is larger than the sum of its proper divisors (797497).

53427743 is an equidigital number, since it uses as much as digits as its factorization.

53427743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797496.

The product of its digits is 70560, while the sum is 35.

The square root of 53427743 is about 7309.4283634221. The cubic root of 53427743 is about 376.6363878690.

The spelling of 53427743 in words is "fifty-three million, four hundred twenty-seven thousand, seven hundred forty-three".