4278055 has 8 divisors (see below), whose sum is σ = 5148000. Its totient is φ = 3412896.

The previous prime is 4278049. The next prime is 4278073. The reversal of 4278055 is 5508724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4278055 - 2³ = 4278047 is a prime.

It is a d-powerful number, because it can be written as 4⁸ + 2²² + 7⁴ + 8² + 0 + 5³ + 5⁶ .

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, 1221 + ... + 3169.

It is an arithmetic number, because the mean of its divisors is an integer number (643500).

Almost surely, 2^4278055 is an apocalyptic number.

4278055 is a deficient number, since it is larger than the sum of its proper divisors (869945).

4278055 is a wasteful number, since it uses less digits than its factorization.

4278055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 4278055 is about 2068.3459575226. The cubic root of 4278055 is about 162.3362294818.

The spelling of 4278055 in words is "four million, two hundred seventy-eight thousand, fifty-five".