54756564520 has 32 divisors (see below), whose sum is σ = 140802595200. Its totient is φ = 18773679168.

The previous prime is 54756564509. The next prime is 54756564523. The reversal of 54756564520 is 2546565745.

It is not an unprimeable number, because it can be changed into a prime (54756564523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97779300 + ... + 97779859.

It is an arithmetic number, because the mean of its divisors is an integer number (4400081100).

Almost surely, 2^54756564520 is an apocalyptic number.

It is an amenable number.

54756564520 is an abundant number, since it is smaller than the sum of its proper divisors (86046030680).

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

54756564520 is a wasteful number, since it uses less digits than its factorization.

54756564520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195559177 (or 195559173 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 49.

The spelling of 54756564520 in words is "fifty-four billion, seven hundred fifty-six million, five hundred sixty-four thousand, five hundred twenty".