54557849616 has 40 divisors (see below), whose sum is σ = 140950829760. Its totient is φ = 18184695936.

The previous prime is 54557849551. The next prime is 54557849657. The reversal of 54557849616 is 61694875545.

It is a self number, because there is not a number n which added to its sum of digits gives 54557849616.

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 7 ways as a sum of consecutive naturals, for example, 892645 + ... + 951803.

It is an arithmetic number, because the mean of its divisors is an integer number (3523770744).

Almost surely, 2^54557849616 is an apocalyptic number.

It is an amenable number.

54557849616 is an abundant number, since it is smaller than the sum of its proper divisors (86392980144).

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

54557849616 is a wasteful number, since it uses less digits than its factorization.

54557849616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78383 (or 78377 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 60.

The spelling of 54557849616 in words is "fifty-four billion, five hundred fifty-seven million, eight hundred forty-nine thousand, six hundred sixteen".