55660216268960 has 48 divisors (see below), whose sum is σ = 131500937484000. Its totient is φ = 22263464023296.

The previous prime is 55660216268879. The next prime is 55660216268981. The reversal of 55660216268960 is 6986261206655.

It is a junction number, because it is equal to n+sod(n) for n = 55660216268893 and 55660216268902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898631 + ... + 10589049.

It is an arithmetic number, because the mean of its divisors is an integer number (2739602864250).

Almost surely, 2^{55660216268960} is an apocalyptic number.

It is an amenable number.

55660216268960 is an abundant number, since it is smaller than the sum of its proper divisors (75840721215040).

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

55660216268960 is a wasteful number, since it uses less digits than its factorization.

55660216268960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9726333 (or 9726325 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 62.

The spelling of 55660216268960 in words is "fifty-five trillion, six hundred sixty billion, two hundred sixteen million, two hundred sixty-eight thousand, nine hundred sixty".