53645382347 has 2 divisors, whose sum is σ = 53645382348. Its totient is φ = 53645382346.

The previous prime is 53645382269. The next prime is 53645382389. The reversal of 53645382347 is 74328354635.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53645382347 - 2¹⁶ = 53645316811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53645382295 and 53645382304.

It is not a weakly prime, because it can be changed into another prime (53645382047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26822691173 + 26822691174.

It is an arithmetic number, because the mean of its divisors is an integer number (26822691174).

Almost surely, 2^53645382347 is an apocalyptic number.

53645382347 is a deficient number, since it is larger than the sum of its proper divisors (1).

53645382347 is an equidigital number, since it uses as much as digits as its factorization.

53645382347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 50.

The spelling of 53645382347 in words is "fifty-three billion, six hundred forty-five million, three hundred eighty-two thousand, three hundred forty-seven".