53458403 has 2 divisors, whose sum is σ = 53458404. Its totient is φ = 53458402.

The previous prime is 53458393. The next prime is 53458439. The reversal of 53458403 is 30485435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53458403 - 2¹⁴ = 53442019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53458403.

It is not a weakly prime, because it can be changed into another prime (53458103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26729201 + 26729202.

It is an arithmetic number, because the mean of its divisors is an integer number (26729202).

Almost surely, 2^53458403 is an apocalyptic number.

53458403 is a deficient number, since it is larger than the sum of its proper divisors (1).

53458403 is an equidigital number, since it uses as much as digits as its factorization.

53458403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 53458403 is about 7311.5253538506. The cubic root of 53458403 is about 376.7084195064.

The spelling of 53458403 in words is "fifty-three million, four hundred fifty-eight thousand, four hundred three".