55005279680 has 112 divisors (see below), whose sum is σ = 148481064480. Its totient is φ = 19240685568.

The previous prime is 55005279569. The next prime is 55005279761. The reversal of 55005279680 is 8697250055.

55005279680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268919 + ... + 426998.

It is an arithmetic number, because the mean of its divisors is an integer number (1325723790).

Almost surely, 2^55005279680 is an apocalyptic number.

It is an amenable number.

55005279680 is an abundant number, since it is smaller than the sum of its proper divisors (93475784800).

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

55005279680 is a wasteful number, since it uses less digits than its factorization.

55005279680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695966 (or 695956 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 55005279680 in words is "fifty-five billion, five million, two hundred seventy-nine thousand, six hundred eighty".