53813819 has 2 divisors, whose sum is σ = 53813820. Its totient is φ = 53813818.

The previous prime is 53813807. The next prime is 53813843. The reversal of 53813819 is 91831835.

53813819 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 53813819 - 2²⁴ = 37036603 is a prime.

It is a super-2 number, since 2×53813819² = 5791854230729522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53813849) 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, 26906909 + 26906910.

It is an arithmetic number, because the mean of its divisors is an integer number (26906910).

Almost surely, 2^53813819 is an apocalyptic number.

53813819 is a deficient number, since it is larger than the sum of its proper divisors (1).

53813819 is an equidigital number, since it uses as much as digits as its factorization.

53813819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 38.

The square root of 53813819 is about 7335.7902778092. The cubic root of 53813819 is about 377.5414196618.

The spelling of 53813819 in words is "fifty-three million, eight hundred thirteen thousand, eight hundred nineteen".