53691475968 has 576 divisors, whose sum is σ = 178130272320. Its totient is φ = 16052649984.

The previous prime is 53691475939. The next prime is 53691475969. The reversal of 53691475968 is 86957419635.

53691475968 is a `hidden beast` number, since 5 + 36 + 9 + 1 + 4 + 7 + 596 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is not an unprimeable number, because it can be changed into a prime (53691475969) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 278194080 + ... + 278194272.

It is an arithmetic number, because the mean of its divisors is an integer number (309253945).

Almost surely, 2^53691475968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53691475968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89065136160).

53691475968 is an abundant number, since it is smaller than the sum of its proper divisors (124438796352).

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

53691475968 is a wasteful number, since it uses less digits than its factorization.

53691475968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 254 counting only the distinct ones).

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

The spelling of 53691475968 in words is "fifty-three billion, six hundred ninety-one million, four hundred seventy-five thousand, nine hundred sixty-eight".