53948891439 has 24 divisors (see below), whose sum is σ = 80451401472. Its totient is φ = 34810620480.

The previous prime is 53948891413. The next prime is 53948891497. The reversal of 53948891439 is 93419884935.

53948891439 is a `hidden beast` number, since 5 + 3 + 9 + 488 + 9 + 143 + 9 = 666.

It is not a de Polignac number, because 53948891439 - 2⁹ = 53948890927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53948890439) 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 in 23 ways as a sum of consecutive naturals, for example, 360504 + ... + 487709.

It is an arithmetic number, because the mean of its divisors is an integer number (3352141728).

Almost surely, 2^53948891439 is an apocalyptic number.

53948891439 is a deficient number, since it is larger than the sum of its proper divisors (26502510033).

53948891439 is a wasteful number, since it uses less digits than its factorization.

53948891439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848447 (or 848444 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 63.

The spelling of 53948891439 in words is "fifty-three billion, nine hundred forty-eight million, eight hundred ninety-one thousand, four hundred thirty-nine".