53995144320 has 768 divisors, whose sum is σ = 220620516480. Its totient is φ = 12501319680.

The previous prime is 53995144309. The next prime is 53995144321. The reversal of 53995144320 is 2344159935.

53995144320 is a `hidden beast` number, since 5 + 3 + 99 + 514 + 43 + 2 + 0 = 666.

It is a super-2 number, since 2×53995144320² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (53995144321) 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, 34369135 + ... + 34370705.

Almost surely, 2^53995144320 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 53995144320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110310258240).

53995144320 is an abundant number, since it is smaller than the sum of its proper divisors (166625372160).

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

53995144320 is a wasteful number, since it uses less digits than its factorization.

53995144320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1611 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 53995144320 in words is "fifty-three billion, nine hundred ninety-five million, one hundred forty-four thousand, three hundred twenty".