53647991040000 has 720 divisors, whose sum is σ = 207906213715200. Its totient is φ = 12262354944000.

The previous prime is 53647991039963. The next prime is 53647991040047. The reversal of 53647991040000 is 4019974635.

It is a super-3 number, since 3×53647991040000³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 59 ways as a sum of consecutive naturals, for example, 188017441 + ... + 188302559.

It is an arithmetic number, because the mean of its divisors is an integer number (288758630160).

Almost surely, 2^{53647991040000} is an apocalyptic number.

53647991040000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53647991040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103953106857600).

53647991040000 is an abundant number, since it is smaller than the sum of its proper divisors (154258222675200).

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

53647991040000 is an equidigital number, since it uses as much as digits as its factorization.

53647991040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285178 (or 285136 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 53647991040000 in words is "fifty-three trillion, six hundred forty-seven billion, nine hundred ninety-one million, forty thousand".