53404303 has 2 divisors, whose sum is σ = 53404304. Its totient is φ = 53404302.

The previous prime is 53404297. The next prime is 53404339. The reversal of 53404303 is 30340435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53404303 - 2¹³ = 53396111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53404903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26702151 + 26702152.

It is an arithmetic number, because the mean of its divisors is an integer number (26702152).

Almost surely, 2^53404303 is an apocalyptic number.

53404303 is a deficient number, since it is larger than the sum of its proper divisors (1).

53404303 is an equidigital number, since it uses as much as digits as its factorization.

53404303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 53404303 is about 7307.8247789612. The cubic root of 53404303 is about 376.5813000824.

Adding to 53404303 its reverse (30340435), we get a palindrome (83744738).

The spelling of 53404303 in words is "fifty-three million, four hundred four thousand, three hundred three".