68054391 has 16 divisors (see below), whose sum is σ = 101041920. Its totient is φ = 45270360.

The previous prime is 68054351. The next prime is 68054411. The reversal of 68054391 is 19345086.

It is not a de Polignac number, because 68054391 - 2¹⁴ = 68038007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68054351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11076 + ... + 16086.

It is an arithmetic number, because the mean of its divisors is an integer number (6315120).

Almost surely, 2^68054391 is an apocalyptic number.

68054391 is a deficient number, since it is larger than the sum of its proper divisors (32987529).

68054391 is a wasteful number, since it uses less digits than its factorization.

68054391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5523 (or 5517 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 68054391 is about 8249.5085308156. The cubic root of 68054391 is about 408.2743073179.

The spelling of 68054391 in words is "sixty-eight million, fifty-four thousand, three hundred ninety-one".