55305585328576 has 56 divisors (see below), whose sum is σ = 120527539945200. Its totient is φ = 24970184908800.

The previous prime is 55305585328529. The next prime is 55305585328579. The reversal of 55305585328576 is 67582358550355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55305585328579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263516145 + ... + 263725936.

Almost surely, 2^{55305585328576} is an apocalyptic number.

It is an amenable number.

55305585328576 is an abundant number, since it is smaller than the sum of its proper divisors (65221954616624).

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

55305585328576 is a wasteful number, since it uses less digits than its factorization.

55305585328576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527242253 (or 527242243 counting only the distinct ones).

The product of its (nonzero) digits is 756000000, while the sum is 67.

The spelling of 55305585328576 in words is "fifty-five trillion, three hundred five billion, five hundred eighty-five million, three hundred twenty-eight thousand, five hundred seventy-six".