54516643720 has 64 divisors (see below), whose sum is σ = 152929814400. Its totient is φ = 16992199680.

The previous prime is 54516643693. The next prime is 54516643729. The reversal of 54516643720 is 2734661545.

It is not an unprimeable number, because it can be changed into a prime (54516643729) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8847025 + ... + 8853184.

It is an arithmetic number, because the mean of its divisors is an integer number (2389528350).

Almost surely, 2^54516643720 is an apocalyptic number.

It is an amenable number.

54516643720 is an abundant number, since it is smaller than the sum of its proper divisors (98413170680).

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

54516643720 is a wasteful number, since it uses less digits than its factorization.

54516643720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17700238 (or 17700234 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 54516643720 in words is "fifty-four billion, five hundred sixteen million, six hundred forty-three thousand, seven hundred twenty".