55255709444 has 24 divisors (see below), whose sum is σ = 104158931520. Its totient is φ = 25496960544.

The previous prime is 55255709429. The next prime is 55255709449. The reversal of 55255709444 is 44490755255.

It is a junction number, because it is equal to n+sod(n) for n = 55255709392 and 55255709401.

It is not an unprimeable number, because it can be changed into a prime (55255709449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122387 + ... + 354245.

It is an arithmetic number, because the mean of its divisors is an integer number (4339955480).

Almost surely, 2^55255709444 is an apocalyptic number.

It is an amenable number.

55255709444 is a deficient number, since it is larger than the sum of its proper divisors (48903222076).

55255709444 is a wasteful number, since it uses less digits than its factorization.

55255709444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236459 (or 236457 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 50.

The spelling of 55255709444 in words is "fifty-five billion, two hundred fifty-five million, seven hundred nine thousand, four hundred forty-four".