54557221580 has 24 divisors (see below), whose sum is σ = 114763394592. Its totient is φ = 21786083072.

The previous prime is 54557221577. The next prime is 54557221637. The reversal of 54557221580 is 8512275545.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2288192 + ... + 2311911.

It is an arithmetic number, because the mean of its divisors is an integer number (4781808108).

Almost surely, 2^54557221580 is an apocalyptic number.

It is an amenable number.

54557221580 is an abundant number, since it is smaller than the sum of its proper divisors (60206173012).

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

54557221580 is a wasteful number, since it uses less digits than its factorization.

54557221580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600705 (or 4600703 counting only the distinct ones).

The product of its (nonzero) digits is 560000, while the sum is 44.

The spelling of 54557221580 in words is "fifty-four billion, five hundred fifty-seven million, two hundred twenty-one thousand, five hundred eighty".