55000256 has 28 divisors (see below), whose sum is σ = 109773720. Its totient is φ = 27340800.

The previous prime is 55000243. The next prime is 55000259. The reversal of 55000256 is 65200055.

It is not an unprimeable number, because it can be changed into a prime (55000259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9056 + ... + 13856.

It is an arithmetic number, because the mean of its divisors is an integer number (3920490).

Almost surely, 2^55000256 is an apocalyptic number.

It is an amenable number.

55000256 is a deficient number, since it is larger than the sum of its proper divisors (54773464).

55000256 is a wasteful number, since it uses less digits than its factorization.

55000256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992 (or 4982 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 55000256 is about 7416.2157465921. The cubic root of 55000256 is about 380.2958361091.

The spelling of 55000256 in words is "fifty-five million, two hundred fifty-six", and thus it is an aban number.