68543255 has 8 divisors (see below), whose sum is σ = 89729424. Its totient is φ = 49849600.

The previous prime is 68543227. The next prime is 68543291. The reversal of 68543255 is 55234586.

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

It is a de Polignac number, because none of the positive numbers 2^k-68543255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623066 + ... + 623175.

It is an arithmetic number, because the mean of its divisors is an integer number (11216178).

Almost surely, 2^68543255 is an apocalyptic number.

68543255 is a deficient number, since it is larger than the sum of its proper divisors (21186169).

68543255 is a wasteful number, since it uses less digits than its factorization.

68543255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246257.

The product of its digits is 144000, while the sum is 38.

The square root of 68543255 is about 8279.0853963466. The cubic root of 68543255 is about 409.2495791611.

The spelling of 68543255 in words is "sixty-eight million, five hundred forty-three thousand, two hundred fifty-five".