68855043 has 4 divisors (see below), whose sum is σ = 91806728. Its totient is φ = 45903360.

The previous prime is 68855021. The next prime is 68855051. The reversal of 68855043 is 34055886.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 68855043 - 2⁵ = 68855011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68854992 and 68855010.

It is not an unprimeable number, because it can be changed into a prime (68855063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11475838 + ... + 11475843.

It is an arithmetic number, because the mean of its divisors is an integer number (22951682).

Almost surely, 2^68855043 is an apocalyptic number.

68855043 is a deficient number, since it is larger than the sum of its proper divisors (22951685).

68855043 is a wasteful number, since it uses less digits than its factorization.

68855043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22951684.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 68855043 is about 8297.8938894156. The cubic root of 68855043 is about 409.8691690435.

The spelling of 68855043 in words is "sixty-eight million, eight hundred fifty-five thousand, forty-three".