288644055 has 48 divisors (see below), whose sum is σ = 538992000. Its totient is φ = 131519808.

The previous prime is 288644053. The next prime is 288644063. The reversal of 288644055 is 550446882.

It is not a de Polignac number, because 288644055 - 2¹ = 288644053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 288643998 and 288644016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288644051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 366372 + ... + 367158.

It is an arithmetic number, because the mean of its divisors is an integer number (11229000).

Almost surely, 2^288644055 is an apocalyptic number.

288644055 is a deficient number, since it is larger than the sum of its proper divisors (250347945).

288644055 is a wasteful number, since it uses less digits than its factorization.

288644055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 288644055 is about 16989.5278039150. The cubic root of 288644055 is about 660.8773570622.

The spelling of 288644055 in words is "two hundred eighty-eight million, six hundred forty-four thousand, fifty-five".