53868443 has 2 divisors, whose sum is σ = 53868444. Its totient is φ = 53868442.

The previous prime is 53868431. The next prime is 53868473. The reversal of 53868443 is 34486835.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53868443 - 2¹⁴ = 53852059 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53868443.

It is not a weakly prime, because it can be changed into another prime (53868473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26934221 + 26934222.

It is an arithmetic number, because the mean of its divisors is an integer number (26934222).

Almost surely, 2^53868443 is an apocalyptic number.

53868443 is a deficient number, since it is larger than the sum of its proper divisors (1).

53868443 is an equidigital number, since it uses as much as digits as its factorization.

53868443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 41.

The square root of 53868443 is about 7339.5124497476. The cubic root of 53868443 is about 377.6691182657.

The spelling of 53868443 in words is "fifty-three million, eight hundred sixty-eight thousand, four hundred forty-three".