53909434072716 has 96 divisors (see below), whose sum is σ = 136490675106240. Its totient is φ = 16493705625600.

The previous prime is 53909434072673. The next prime is 53909434072721. The reversal of 53909434072716 is 61727043490935.

It is a happy number.

53909434072716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53909434072716.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19807300 + ... + 22363988.

It is an arithmetic number, because the mean of its divisors is an integer number (1421777865690).

Almost surely, 2^{53909434072716} 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 53909434072716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68245337553120).

53909434072716 is an abundant number, since it is smaller than the sum of its proper divisors (82581241033524).

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

53909434072716 is a wasteful number, since it uses less digits than its factorization.

53909434072716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559275 (or 2559273 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 60.

The spelling of 53909434072716 in words is "fifty-three trillion, nine hundred nine billion, four hundred thirty-four million, seventy-two thousand, seven hundred sixteen".