250278055 has 8 divisors (see below), whose sum is σ = 306724032. Its totient is φ = 195962208.

The previous prime is 250278047. The next prime is 250278071. The reversal of 250278055 is 550872052.

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 250278055 - 2³ = 250278047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 250278055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532272 + ... + 532741.

It is an arithmetic number, because the mean of its divisors is an integer number (38340504).

Almost surely, 2^250278055 is an apocalyptic number.

250278055 is a deficient number, since it is larger than the sum of its proper divisors (56445977).

250278055 is a wasteful number, since it uses less digits than its factorization.

250278055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065065.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 250278055 is about 15820.1787284468. The cubic root of 250278055 is about 630.1939899790.

The spelling of 250278055 in words is "two hundred fifty million, two hundred seventy-eight thousand, fifty-five".