54994992968520 has 576 divisors, whose sum is σ = 203660376192000. Its totient is φ = 12845376445440.

The previous prime is 54994992968473. The next prime is 54994992968563. The reversal of 54994992968520 is 2586929949945.

54994992968520 is a `hidden beast` number, since 5 + 4 + 9 + 9 + 4 + 9 + 9 + 29 + 68 + 520 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 54994992968520.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 605046517 + ... + 605137403.

It is an arithmetic number, because the mean of its divisors is an integer number (353577042000).

Almost surely, 2^{54994992968520} 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 54994992968520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101830188096000).

54994992968520 is an abundant number, since it is smaller than the sum of its proper divisors (148665383223480).

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

54994992968520 is a wasteful number, since it uses less digits than its factorization.

54994992968520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91434 (or 91416 counting only the distinct ones).

The product of its (nonzero) digits is 4534963200, while the sum is 81.

The spelling of 54994992968520 in words is "fifty-four trillion, nine hundred ninety-four billion, nine hundred ninety-two million, nine hundred sixty-eight thousand, five hundred twenty".