53450355520144 has 160 divisors (see below), whose sum is σ = 115655454720000. Its totient is φ = 23727168192000.

The previous prime is 53450355520123. The next prime is 53450355520207. The reversal of 53450355520144 is 44102555305435.

It is a junction number, because it is equal to n+sod(n) for n = 53450355520094 and 53450355520103.

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 31 ways as a sum of consecutive naturals, for example, 495081369 + ... + 495189319.

It is an arithmetic number, because the mean of its divisors is an integer number (722846592000).

Almost surely, 2^{53450355520144} 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 53450355520144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57827727360000).

53450355520144 is an abundant number, since it is smaller than the sum of its proper divisors (62205099199856).

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

53450355520144 is a wasteful number, since it uses less digits than its factorization.

53450355520144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108437 (or 108431 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 46.

The spelling of 53450355520144 in words is "fifty-three trillion, four hundred fifty billion, three hundred fifty-five million, five hundred twenty thousand, one hundred forty-four".