53206343 has 4 divisors (see below), whose sum is σ = 53754960. Its totient is φ = 52657728.

The previous prime is 53206319. The next prime is 53206357. The reversal of 53206343 is 34360235.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53206343 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 (53202343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274163 + ... + 274356.

It is an arithmetic number, because the mean of its divisors is an integer number (13438740).

Almost surely, 2^53206343 is an apocalyptic number.

53206343 is a deficient number, since it is larger than the sum of its proper divisors (548617).

53206343 is an equidigital number, since it uses as much as digits as its factorization.

53206343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548616.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 53206343 is about 7294.2678179513. The cubic root of 53206343 is about 376.1154179211.

Adding to 53206343 its reverse (34360235), we get a palindrome (87566578).

The spelling of 53206343 in words is "fifty-three million, two hundred six thousand, three hundred forty-three".