53813203 has 2 divisors, whose sum is σ = 53813204. Its totient is φ = 53813202.

The previous prime is 53813161. The next prime is 53813213. The reversal of 53813203 is 30231835.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53813203 is a prime.

It is not a weakly prime, because it can be changed into another prime (53813213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26906601 + 26906602.

It is an arithmetic number, because the mean of its divisors is an integer number (26906602).

Almost surely, 2^53813203 is an apocalyptic number.

53813203 is a deficient number, since it is larger than the sum of its proper divisors (1).

53813203 is an equidigital number, since it uses as much as digits as its factorization.

53813203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 53813203 is about 7335.7482917559. The cubic root of 53813203 is about 377.5399790999.

The spelling of 53813203 in words is "fifty-three million, eight hundred thirteen thousand, two hundred three".