53165373984 has 144 divisors (see below), whose sum is σ = 157298319360. Its totient is φ = 17014717440.

The previous prime is 53165373979. The next prime is 53165374013. The reversal of 53165373984 is 48937356135.

53165373984 is a `hidden beast` number, since 5 + 3 + 16 + 537 + 3 + 98 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 53165373984.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1110412 + ... + 1157300.

It is an arithmetic number, because the mean of its divisors is an integer number (1092349440).

Almost surely, 2^53165373984 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 53165373984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78649159680).

53165373984 is an abundant number, since it is smaller than the sum of its proper divisors (104132945376).

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

53165373984 is a wasteful number, since it uses less digits than its factorization.

53165373984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47063 (or 47052 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The spelling of 53165373984 in words is "fifty-three billion, one hundred sixty-five million, three hundred seventy-three thousand, nine hundred eighty-four".