53020307 has 2 divisors, whose sum is σ = 53020308. Its totient is φ = 53020306.

The previous prime is 53020271. The next prime is 53020361. The reversal of 53020307 is 70302035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53020307 - 2¹⁰ = 53019283 is a prime.

It is a super-2 number, since 2×53020307² = 5622305908748498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53020367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26510153 + 26510154.

It is an arithmetic number, because the mean of its divisors is an integer number (26510154).

Almost surely, 2^53020307 is an apocalyptic number.

53020307 is a deficient number, since it is larger than the sum of its proper divisors (1).

53020307 is an equidigital number, since it uses as much as digits as its factorization.

53020307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 20.

The square root of 53020307 is about 7281.5044461979. The cubic root of 53020307 is about 375.6765434440.

The spelling of 53020307 in words is "fifty-three million, twenty thousand, three hundred seven".