53505035047 has 6 divisors (see below), whose sum is σ = 54667663688. Its totient is φ = 52366627884.

The previous prime is 53505035021. The next prime is 53505035081. The reversal of 53505035047 is 74053050535.

It is a de Polignac number, because none of the positive numbers 2^k-53505035047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53505034997 and 53505035015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53505075047) 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 in 5 ways as a sum of consecutive naturals, for example, 12108483 + ... + 12112900.

Almost surely, 2^53505035047 is an apocalyptic number.

53505035047 is a deficient number, since it is larger than the sum of its proper divisors (1162628641).

53505035047 is an equidigital number, since it uses as much as digits as its factorization.

53505035047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24221477 (or 24221430 counting only the distinct ones).

The product of its (nonzero) digits is 157500, while the sum is 37.

The spelling of 53505035047 in words is "fifty-three billion, five hundred five million, thirty-five thousand, forty-seven".