53978723872000 has 72 divisors (see below), whose sum is σ = 134467748585352. Its totient is φ = 21591489536000.

The previous prime is 53978723871971. The next prime is 53978723872061. The reversal of 53978723872000 is 27832787935.

It can be written as a sum of positive squares in 4 ways, for example, as 9671701924096 + 44307021947904 = 3109936^2 + 6656352^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53978723872000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843385561 + ... + 843449560.

It is an arithmetic number, because the mean of its divisors is an integer number (1867607619241).

Almost surely, 2^{53978723872000} is an apocalyptic number.

53978723872000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53978723872000 is an abundant number, since it is smaller than the sum of its proper divisors (80489024713352).

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

53978723872000 is an equidigital number, since it uses as much as digits as its factorization.

53978723872000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686835152 (or 1686835128 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 53978723872000 in words is "fifty-three trillion, nine hundred seventy-eight billion, seven hundred twenty-three million, eight hundred seventy-two thousand".