53446403 has 2 divisors, whose sum is σ = 53446404. Its totient is φ = 53446402.

The previous prime is 53446399. The next prime is 53446409. The reversal of 53446403 is 30464435.

53446403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53446403 - 2² = 53446399 is a prime.

It is not a weakly prime, because it can be changed into another prime (53446409) 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, 26723201 + 26723202.

It is an arithmetic number, because the mean of its divisors is an integer number (26723202).

Almost surely, 2^53446403 is an apocalyptic number.

53446403 is a deficient number, since it is larger than the sum of its proper divisors (1).

53446403 is an equidigital number, since it uses as much as digits as its factorization.

53446403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 53446403 is about 7310.7046855963. The cubic root of 53446403 is about 376.6802303658.

The spelling of 53446403 in words is "fifty-three million, four hundred forty-six thousand, four hundred three".