55719393684 has 12 divisors (see below), whose sum is σ = 130011918624. Its totient is φ = 18573131224.

The previous prime is 55719393671. The next prime is 55719393727. The reversal of 55719393684 is 48639391755.

55719393684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2321641392 + ... + 2321641415.

It is an arithmetic number, because the mean of its divisors is an integer number (10834326552).

Almost surely, 2^55719393684 is an apocalyptic number.

It is an amenable number.

55719393684 is an abundant number, since it is smaller than the sum of its proper divisors (74292524940).

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

55719393684 is a wasteful number, since it uses less digits than its factorization.

55719393684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643282814 (or 4643282812 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 60.

The spelling of 55719393684 in words is "fifty-five billion, seven hundred nineteen million, three hundred ninety-three thousand, six hundred eighty-four".