53189595648 has 960 divisors, whose sum is σ = 201522816000. Its totient is φ = 13748797440.

The previous prime is 53189595637. The next prime is 53189595649. The reversal of 53189595648 is 84659598135.

53189595648 is a `hidden beast` number, since 5 + 3 + 18 + 9 + 59 + 564 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (53189595649) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 356977078 + ... + 356977226.

It is an arithmetic number, because the mean of its divisors is an integer number (209919600).

Almost surely, 2^53189595648 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 53189595648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100761408000).

53189595648 is an abundant number, since it is smaller than the sum of its proper divisors (148333220352).

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

53189595648 is a wasteful number, since it uses less digits than its factorization.

53189595648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 209 counting only the distinct ones).

The product of its digits is 46656000, while the sum is 63.

The spelling of 53189595648 in words is "fifty-three billion, one hundred eighty-nine million, five hundred ninety-five thousand, six hundred forty-eight".