68338055 has 4 divisors (see below), whose sum is σ = 82005672. Its totient is φ = 54670440.

The previous prime is 68338033. The next prime is 68338063. The reversal of 68338055 is 55083386.

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

It is not a de Polignac number, because 68338055 - 2²⁰ = 67289479 is a prime.

It is a super-2 number, since 2×68338055² = 9340179522366050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6833801 + ... + 6833810.

It is an arithmetic number, because the mean of its divisors is an integer number (20501418).

Almost surely, 2^68338055 is an apocalyptic number.

68338055 is a deficient number, since it is larger than the sum of its proper divisors (13667617).

68338055 is a wasteful number, since it uses less digits than its factorization.

68338055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13667616.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 68338055 is about 8266.6834341228. The cubic root of 68338055 is about 408.8407766912.

The spelling of 68338055 in words is "sixty-eight million, three hundred thirty-eight thousand, fifty-five".