53231471568 has 320 divisors, whose sum is σ = 168989184000. Its totient is φ = 15909696000.

The previous prime is 53231471551. The next prime is 53231471591. The reversal of 53231471568 is 86517413235.

It is a happy number.

53231471568 is a `hidden beast` number, since 5 + 3 + 2 + 3 + 14 + 71 + 568 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 171162133 + ... + 171162443.

It is an arithmetic number, because the mean of its divisors is an integer number (528091200).

Almost surely, 2^53231471568 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 53231471568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84494592000).

53231471568 is an abundant number, since it is smaller than the sum of its proper divisors (115757712432).

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

53231471568 is a wasteful number, since it uses less digits than its factorization.

53231471568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 707 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

It can be divided in two parts, 532 and 31471568, that added together give a square (31472100 = 5610²).

The spelling of 53231471568 in words is "fifty-three billion, two hundred thirty-one million, four hundred seventy-one thousand, five hundred sixty-eight".