55255444 has 12 divisors (see below), whose sum is σ = 97921600. Its totient is φ = 27277848.

The previous prime is 55255441. The next prime is 55255489. The reversal of 55255444 is 44455255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55255441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87114 + ... + 87745.

Almost surely, 2^55255444 is an apocalyptic number.

It is an amenable number.

55255444 is a deficient number, since it is larger than the sum of its proper divisors (42666156).

55255444 is a wasteful number, since it uses less digits than its factorization.

55255444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174942 (or 174940 counting only the distinct ones).

The product of its digits is 80000, while the sum is 34.

The square root of 55255444 is about 7433.4005677079. The cubic root of 55255444 is about 380.8830893030.

The spelling of 55255444 in words is "fifty-five million, two hundred fifty-five thousand, four hundred forty-four".