55555773593684 has 96 divisors (see below), whose sum is σ = 121761646411776. Its totient is φ = 21593545522560.

The previous prime is 55555773593633. The next prime is 55555773593687. The reversal of 55555773593684 is 48639537755555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55555773593687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6366719 + ... + 12314489.

It is an arithmetic number, because the mean of its divisors is an integer number (1268350483456).

Almost surely, 2^{55555773593684} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55555773593684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60880823205888).

55555773593684 is an abundant number, since it is smaller than the sum of its proper divisors (66205872818092).

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

55555773593684 is a wasteful number, since it uses less digits than its factorization.

55555773593684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5948245 (or 5948243 counting only the distinct ones).

The product of its digits is 11907000000, while the sum is 77.

The spelling of 55555773593684 in words is "fifty-five trillion, five hundred fifty-five billion, seven hundred seventy-three million, five hundred ninety-three thousand, six hundred eighty-four".