53179975680 has 768 divisors, whose sum is σ = 194500051200. Its totient is φ = 12315525120.

The previous prime is 53179975669. The next prime is 53179975721. The reversal of 53179975680 is 8657997135.

It is a tau number, because it is divible by the number of its divisors (768).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 871802850 + ... + 871802910.

It is an arithmetic number, because the mean of its divisors is an integer number (253255275).

Almost surely, 2^53179975680 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 53179975680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97250025600).

53179975680 is an abundant number, since it is smaller than the sum of its proper divisors (141320075520).

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

53179975680 is a wasteful number, since it uses less digits than its factorization.

53179975680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 14288400, while the sum is 60.

The spelling of 53179975680 in words is "fifty-three billion, one hundred seventy-nine million, nine hundred seventy-five thousand, six hundred eighty".