53017143140 has 96 divisors (see below), whose sum is σ = 126100316160. Its totient is φ = 18576746496.

The previous prime is 53017143079. The next prime is 53017143169. The reversal of 53017143140 is 4134171035.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 724556 + ... + 794364.

It is an arithmetic number, because the mean of its divisors is an integer number (1313544960).

Almost surely, 2^53017143140 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 53017143140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63050158080).

53017143140 is an abundant number, since it is smaller than the sum of its proper divisors (73083173020).

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

53017143140 is a wasteful number, since it uses less digits than its factorization.

53017143140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69981 (or 69979 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The spelling of 53017143140 in words is "fifty-three billion, seventeen million, one hundred forty-three thousand, one hundred forty".