53226403 has 2 divisors, whose sum is σ = 53226404. Its totient is φ = 53226402.

The previous prime is 53226373. The next prime is 53226409. The reversal of 53226403 is 30462235.

It is a happy number.

53226403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53226403 is a prime.

It is not a weakly prime, because it can be changed into another prime (53226409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26613201 + 26613202.

It is an arithmetic number, because the mean of its divisors is an integer number (26613202).

Almost surely, 2^53226403 is an apocalyptic number.

53226403 is a deficient number, since it is larger than the sum of its proper divisors (1).

53226403 is an equidigital number, since it uses as much as digits as its factorization.

53226403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 53226403 is about 7295.6427407049. The cubic root of 53226403 is about 376.1626800009.

Adding to 53226403 its reverse (30462235), we get a palindrome (83688638).

The spelling of 53226403 in words is "fifty-three million, two hundred twenty-six thousand, four hundred three".