55404186344 has 24 divisors (see below), whose sum is σ = 111878685030. Its totient is φ = 25570055040.

The previous prime is 55404186323. The next prime is 55404186359. The reversal of 55404186344 is 44368140455.

55404186344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 37725292900 + 17678893444 = 194230^2 + 132962^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55404186295 and 55404186304.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2388884 + ... + 2411964.

Almost surely, 2^55404186344 is an apocalyptic number.

It is an amenable number.

55404186344 is an abundant number, since it is smaller than the sum of its proper divisors (56474498686).

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

55404186344 is an frugal number, since it uses more digits than its factorization.

55404186344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46181 (or 23096 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 44.

The spelling of 55404186344 in words is "fifty-five billion, four hundred four million, one hundred eighty-six thousand, three hundred forty-four".