255640054 has 8 divisors (see below), whose sum is σ = 383584320. Its totient is φ = 127778616.

The previous prime is 255640039. The next prime is 255640069. The reversal of 255640054 is 450046552.

255640054 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (255640039) and next prime (255640069).

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

It is a junction number, because it is equal to n+sod(n) for n = 255639998 and 255640025.

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, 12309 + ... + 25744.

It is an arithmetic number, because the mean of its divisors is an integer number (47948040).

Almost surely, 2^255640054 is an apocalyptic number.

255640054 is a deficient number, since it is larger than the sum of its proper divisors (127944266).

255640054 is a wasteful number, since it uses less digits than its factorization.

255640054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41414.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 255640054 is about 15988.7477308262. The cubic root of 255640054 is about 634.6626881508.

The spelling of 255640054 in words is "two hundred fifty-five million, six hundred forty thousand, fifty-four".