53305019 has 2 divisors, whose sum is σ = 53305020. Its totient is φ = 53305018.

The previous prime is 53305009. The next prime is 53305039. The reversal of 53305019 is 91050335.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53305019 - 2⁸ = 53304763 is a prime.

It is a super-2 number, since 2×53305019² = 5682850101180722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53305009) 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, 26652509 + 26652510.

It is an arithmetic number, because the mean of its divisors is an integer number (26652510).

Almost surely, 2^53305019 is an apocalyptic number.

53305019 is a deficient number, since it is larger than the sum of its proper divisors (1).

53305019 is an equidigital number, since it uses as much as digits as its factorization.

53305019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2025, while the sum is 26.

The square root of 53305019 is about 7301.0286261595. The cubic root of 53305019 is about 376.3477877415.

The spelling of 53305019 in words is "fifty-three million, three hundred five thousand, nineteen".