53159765472 has 72 divisors (see below), whose sum is σ = 164916100440. Its totient is φ = 16109018880.

The previous prime is 53159765471. The next prime is 53159765497. The reversal of 53159765472 is 27456795135.

It is a happy number.

53159765472 is a `hidden beast` number, since 5 + 3 + 1 + 5 + 97 + 6 + 547 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53159765471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8386947 + ... + 8393282.

It is an arithmetic number, because the mean of its divisors is an integer number (2290501395).

Almost surely, 2^53159765472 is an apocalyptic number.

It is an amenable number.

53159765472 is an abundant number, since it is smaller than the sum of its proper divisors (111756334968).

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

53159765472 is a wasteful number, since it uses less digits than its factorization.

53159765472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16780256 (or 16780245 counting only the distinct ones).

The product of its digits is 7938000, while the sum is 54.

The spelling of 53159765472 in words is "fifty-three billion, one hundred fifty-nine million, seven hundred sixty-five thousand, four hundred seventy-two".