53909203 has 2 divisors, whose sum is σ = 53909204. Its totient is φ = 53909202.

The previous prime is 53909201. The next prime is 53909209. The reversal of 53909203 is 30290935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53909203 - 2¹ = 53909201 is a prime.

Together with 53909201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53909201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26954601 + 26954602.

It is an arithmetic number, because the mean of its divisors is an integer number (26954602).

Almost surely, 2^53909203 is an apocalyptic number.

53909203 is a deficient number, since it is larger than the sum of its proper divisors (1).

53909203 is an equidigital number, since it uses as much as digits as its factorization.

53909203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 53909203 is about 7342.2886758830. The cubic root of 53909203 is about 377.7643497310.

The spelling of 53909203 in words is "fifty-three million, nine hundred nine thousand, two hundred three".