55680335776 has 48 divisors (see below), whose sum is σ = 118777415904. Its totient is φ = 25540925184.

The previous prime is 55680335719. The next prime is 55680335797. The reversal of 55680335776 is 67753308655.

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, 342766 + ... + 478381.

It is an arithmetic number, because the mean of its divisors is an integer number (2474529498).

Almost surely, 2^55680335776 is an apocalyptic number.

It is an amenable number.

55680335776 is an abundant number, since it is smaller than the sum of its proper divisors (63097080128).

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

55680335776 is a wasteful number, since it uses less digits than its factorization.

55680335776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821333 (or 821325 counting only the distinct ones).

The product of its (nonzero) digits is 15876000, while the sum is 55.

The spelling of 55680335776 in words is "fifty-five billion, six hundred eighty million, three hundred thirty-five thousand, seven hundred seventy-six".