55544831456480 has 96 divisors (see below), whose sum is σ = 138135157725600. Its totient is φ = 21047968530432.

The previous prime is 55544831456419. The next prime is 55544831456509. The reversal of 55544831456480 is 8465413844555.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114941444 + ... + 115423676.

It is an arithmetic number, because the mean of its divisors is an integer number (1438907892975).

Almost surely, 2^{55544831456480} is an apocalyptic number.

It is an amenable number.

55544831456480 is an abundant number, since it is smaller than the sum of its proper divisors (82590326269120).

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

55544831456480 is a wasteful number, since it uses less digits than its factorization.

55544831456480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520156 (or 520148 counting only the distinct ones).

The product of its (nonzero) digits is 184320000, while the sum is 62.

The spelling of 55544831456480 in words is "fifty-five trillion, five hundred forty-four billion, eight hundred thirty-one million, four hundred fifty-six thousand, four hundred eighty".