54687965925520 has 120 divisors (see below), whose sum is σ = 134201239124544. Its totient is φ = 20722714354944.

The previous prime is 54687965925487. The next prime is 54687965925533. The reversal of 54687965925520 is 2552956978645.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 670754997 + ... + 670836523.

Almost surely, 2^{54687965925520} 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 54687965925520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67100619562272).

54687965925520 is an abundant number, since it is smaller than the sum of its proper divisors (79513273199024).

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

54687965925520 is a wasteful number, since it uses less digits than its factorization.

54687965925520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104805 (or 104780 counting only the distinct ones).

The product of its (nonzero) digits is 1632960000, while the sum is 73.

The spelling of 54687965925520 in words is "fifty-four trillion, six hundred eighty-seven billion, nine hundred sixty-five million, nine hundred twenty-five thousand, five hundred twenty".