53571969648 has 40 divisors (see below), whose sum is σ = 153771395600. Its totient is φ = 17857323072.

The previous prime is 53571969629. The next prime is 53571969677. The reversal of 53571969648 is 84696917535.

53571969648 is a `hidden beast` number, since 5 + 357 + 196 + 96 + 4 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62004163 + ... + 62005026.

It is an arithmetic number, because the mean of its divisors is an integer number (3844284890).

Almost surely, 2^53571969648 is an apocalyptic number.

It is an amenable number.

53571969648 is an abundant number, since it is smaller than the sum of its proper divisors (100199425952).

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

53571969648 is a wasteful number, since it uses less digits than its factorization.

53571969648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124009206 (or 124009194 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 63.

The spelling of 53571969648 in words is "fifty-three billion, five hundred seventy-one million, nine hundred sixty-nine thousand, six hundred forty-eight".