53603543447 has 2 divisors, whose sum is σ = 53603543448. Its totient is φ = 53603543446.

The previous prime is 53603543437. The next prime is 53603543467. The reversal of 53603543447 is 74434530635.

53603543447 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 a de Polignac number, because none of the positive numbers 2^k-53603543447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53603543398 and 53603543407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53603543437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26801771723 + 26801771724.

It is an arithmetic number, because the mean of its divisors is an integer number (26801771724).

Almost surely, 2^53603543447 is an apocalyptic number.

53603543447 is a deficient number, since it is larger than the sum of its proper divisors (1).

53603543447 is an equidigital number, since it uses as much as digits as its factorization.

53603543447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 44.

The spelling of 53603543447 in words is "fifty-three billion, six hundred three million, five hundred forty-three thousand, four hundred forty-seven".