5555505550044 has 24 divisors (see below), whose sum is σ = 12962910126208. Its totient is φ = 1851826062960.

The previous prime is 5555505549991. The next prime is 5555505550051. The reversal of 5555505550044 is 4400555055555.

It is a junction number, because it is equal to n+sod(n) for n = 5555505549975 and 5555505550002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676289 + ... + 3731079.

Almost surely, 2^{5555505550044} is an apocalyptic number.

It is an amenable number.

5555505550044 is an abundant number, since it is smaller than the sum of its proper divisors (7407404576164).

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

5555505550044 is a wasteful number, since it uses less digits than its factorization.

5555505550044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280105 (or 2280103 counting only the distinct ones).

The product of its (nonzero) digits is 6250000, while the sum is 48.

The spelling of 5555505550044 in words is "five trillion, five hundred fifty-five billion, five hundred five million, five hundred fifty thousand, forty-four".