255440054 has 8 divisors (see below), whose sum is σ = 383244048. Its totient is φ = 127692040.

The previous prime is 255440041. The next prime is 255440069. The reversal of 255440054 is 450044552.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 255439999 and 255440026.

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 3 ways as a sum of consecutive naturals, for example, 359 + ... + 22605.

It is an arithmetic number, because the mean of its divisors is an integer number (47905506).

Almost surely, 2^255440054 is an apocalyptic number.

255440054 is a deficient number, since it is larger than the sum of its proper divisors (127803994).

255440054 is a wasteful number, since it uses less digits than its factorization.

255440054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27990.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 255440054 is about 15982.4921085543. The cubic root of 255440054 is about 634.4971355155.

The spelling of 255440054 in words is "two hundred fifty-five million, four hundred forty thousand, fifty-four".