68055547 has 8 divisors (see below), whose sum is σ = 80460000. Its totient is φ = 56321664.

The previous prime is 68055527. The next prime is 68055553. The reversal of 68055547 is 74555086.

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

It is not a de Polignac number, because 68055547 - 2²³ = 59666939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68055527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167422 + ... + 167827.

It is an arithmetic number, because the mean of its divisors is an integer number (10057500).

Almost surely, 2^68055547 is an apocalyptic number.

68055547 is a deficient number, since it is larger than the sum of its proper divisors (12404453).

68055547 is a wasteful number, since it uses less digits than its factorization.

68055547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335285.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 68055547 is about 8249.5785952981. The cubic root of 68055547 is about 408.2766190101.

The spelling of 68055547 in words is "sixty-eight million, fifty-five thousand, five hundred forty-seven".