53947828965 has 32 divisors (see below), whose sum is σ = 86902629120. Its totient is φ = 28576963584.

The previous prime is 53947828937. The next prime is 53947829011. The reversal of 53947828965 is 56982874935.

53947828965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53947828965 - 2⁹ = 53947828453 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 53947828896 and 53947828905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10964776 + ... + 10969694.

It is an arithmetic number, because the mean of its divisors is an integer number (2715707160).

Almost surely, 2^53947828965 is an apocalyptic number.

It is an amenable number.

53947828965 is a deficient number, since it is larger than the sum of its proper divisors (32954800155).

53947828965 is a wasteful number, since it uses less digits than its factorization.

53947828965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9741.

The product of its digits is 130636800, while the sum is 66.

The spelling of 53947828965 in words is "fifty-three billion, nine hundred forty-seven million, eight hundred twenty-eight thousand, nine hundred sixty-five".