55447275267320 has 16 divisors (see below), whose sum is σ = 124756369351560. Its totient is φ = 22178910106912.

The previous prime is 55447275267311. The next prime is 55447275267337. The reversal of 55447275267320 is 2376257274455.

It is a self number, because there is not a number n which added to its sum of digits gives 55447275267320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693090940802 + ... + 693090940881.

Almost surely, 2^{55447275267320} is an apocalyptic number.

It is an amenable number.

55447275267320 is an abundant number, since it is smaller than the sum of its proper divisors (69309094084240).

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

55447275267320 is a wasteful number, since it uses less digits than its factorization.

55447275267320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386181881694 (or 1386181881690 counting only the distinct ones).

The product of its (nonzero) digits is 98784000, while the sum is 59.

The spelling of 55447275267320 in words is "fifty-five trillion, four hundred forty-seven billion, two hundred seventy-five million, two hundred sixty-seven thousand, three hundred twenty".