53243401 has 2 divisors, whose sum is σ = 53243402. Its totient is φ = 53243400.

The previous prime is 53243389. The next prime is 53243471. The reversal of 53243401 is 10434235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26988025 + 26255376 = 5195^2 + 5124^2 .

It is a cyclic number.

It is not a de Polignac number, because 53243401 - 2¹⁷ = 53112329 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53243471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26621700 + 26621701.

It is an arithmetic number, because the mean of its divisors is an integer number (26621701).

Almost surely, 2^53243401 is an apocalyptic number.

It is an amenable number.

53243401 is a deficient number, since it is larger than the sum of its proper divisors (1).

53243401 is an equidigital number, since it uses as much as digits as its factorization.

53243401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 53243401 is about 7296.8075896244. The cubic root of 53243401 is about 376.2027186055.

Adding to 53243401 its reverse (10434235), we get a palindrome (63677636).

The spelling of 53243401 in words is "fifty-three million, two hundred forty-three thousand, four hundred one".