53705138547 has 16 divisors (see below), whose sum is σ = 74368501920. Its totient is φ = 34444346112.

The previous prime is 53705138521. The next prime is 53705138551. The reversal of 53705138547 is 74583150735.

It is a de Polignac number, because none of the positive numbers 2^k-53705138547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53705138496 and 53705138505.

It is not an unprimeable number, because it can be changed into a prime (53705138567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2708268 + ... + 2728025.

It is an arithmetic number, because the mean of its divisors is an integer number (4648031370).

Almost surely, 2^53705138547 is an apocalyptic number.

53705138547 is a deficient number, since it is larger than the sum of its proper divisors (20663363373).

53705138547 is a wasteful number, since it uses less digits than its factorization.

53705138547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5436422.

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 53705138547 in words is "fifty-three billion, seven hundred five million, one hundred thirty-eight thousand, five hundred forty-seven".