53707999878720 has 672 divisors, whose sum is σ = 208087318932480. Its totient is φ = 12596520960000.

The previous prime is 53707999878691. The next prime is 53707999878739. The reversal of 53707999878720 is 2787899970735.

53707999878720 is a `hidden beast` number, since 5 + 370 + 7 + 9 + 99 + 87 + 87 + 2 + 0 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 53707999878720.

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 95 ways as a sum of consecutive naturals, for example, 5213857570 + ... + 5213867870.

Almost surely, 2^{53707999878720} 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 53707999878720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104043659466240).

53707999878720 is an abundant number, since it is smaller than the sum of its proper divisors (154379319053760).

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

53707999878720 is a wasteful number, since it uses less digits than its factorization.

53707999878720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15675 (or 15662 counting only the distinct ones).

The product of its (nonzero) digits is 3360631680, while the sum is 81.

The spelling of 53707999878720 in words is "fifty-three trillion, seven hundred seven billion, nine hundred ninety-nine million, eight hundred seventy-eight thousand, seven hundred twenty".