53989275625920 has 448 divisors, whose sum is σ = 201178385633280. Its totient is φ = 13608696729600.

The previous prime is 53989275625919. The next prime is 53989275625939. The reversal of 53989275625920 is 2952657298935.

53989275625920 is a `hidden beast` number, since 5 + 3 + 9 + 8 + 9 + 2 + 7 + 562 + 59 + 2 + 0 = 666.

It is a super-3 number, since 3×53989275625920³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9173250 + ... + 13860990.

Almost surely, 2^{53989275625920} 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 53989275625920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100589192816640).

53989275625920 is an abundant number, since it is smaller than the sum of its proper divisors (147189110007360).

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

53989275625920 is a wasteful number, since it uses less digits than its factorization.

53989275625920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687841 (or 4687825 counting only the distinct ones).

The product of its (nonzero) digits is 734832000, while the sum is 72.

The spelling of 53989275625920 in words is "fifty-three trillion, nine hundred eighty-nine billion, two hundred seventy-five million, six hundred twenty-five thousand, nine hundred twenty".