55325263746320 has 80 divisors (see below), whose sum is σ = 134227603204992. Its totient is φ = 21167343098880.

The previous prime is 55325263746317. The next prime is 55325263746413. The reversal of 55325263746320 is 2364736252355.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 69511415 + ... + 70302825.

Almost surely, 2^{55325263746320} is an apocalyptic number.

It is an amenable number.

55325263746320 is an abundant number, since it is smaller than the sum of its proper divisors (78902339458672).

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

55325263746320 is a wasteful number, since it uses less digits than its factorization.

55325263746320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829440 (or 829434 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 53.

Adding to 55325263746320 its reverse (2364736252355), we get a palindrome (57689999998675).

The spelling of 55325263746320 in words is "fifty-five trillion, three hundred twenty-five billion, two hundred sixty-three million, seven hundred forty-six thousand, three hundred twenty".