55132640105472 has 264 divisors, whose sum is σ = 172322011464000. Its totient is φ = 17410304249856.

The previous prime is 55132640105407. The next prime is 55132640105483. The reversal of 55132640105472 is 27450104623155.

55132640105472 is a `hidden beast` number, since 5 + 5 + 1 + 32 + 6 + 40 + 105 + 472 = 666.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 7219029 + ... + 12742827.

Almost surely, 2^{55132640105472} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55132640105472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86161005732000).

55132640105472 is an abundant number, since it is smaller than the sum of its proper divisors (117189371358528).

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

55132640105472 is a wasteful number, since it uses less digits than its factorization.

55132640105472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5523866 (or 5523823 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 55132640105472 in words is "fifty-five trillion, one hundred thirty-two billion, six hundred forty million, one hundred five thousand, four hundred seventy-two".