53444539782 has 24 divisors (see below), whose sum is σ = 118489446504. Its totient is φ = 17400547584.

The previous prime is 53444539751. The next prime is 53444539807. The reversal of 53444539782 is 28793544435.

53444539782 is a `hidden beast` number, since 5 + 34 + 4 + 4 + 539 + 78 + 2 = 666.

53444539782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34524123 + ... + 34525670.

It is an arithmetic number, because the mean of its divisors is an integer number (4937060271).

Almost surely, 2^53444539782 is an apocalyptic number.

53444539782 is an abundant number, since it is smaller than the sum of its proper divisors (65044906722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53444539782 is a wasteful number, since it uses less digits than its factorization.

53444539782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69049844 (or 69049841 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 53444539782 in words is "fifty-three billion, four hundred forty-four million, five hundred thirty-nine thousand, seven hundred eighty-two".