55107649680 has 80 divisors (see below), whose sum is σ = 173239876224. Its totient is φ = 14488391680.

The previous prime is 55107649679. The next prime is 55107649691. The reversal of 55107649680 is 8694670155.

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

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, 1599969 + ... + 1634048.

Almost surely, 2^55107649680 is an apocalyptic number.

It is an amenable number.

55107649680 is an abundant number, since it is smaller than the sum of its proper divisors (118132226544).

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

55107649680 is a wasteful number, since it uses less digits than its factorization.

55107649680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234104 (or 3234098 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 55107649680 in words is "fifty-five billion, one hundred seven million, six hundred forty-nine thousand, six hundred eighty".