54067391 has 4 divisors (see below), whose sum is σ = 61791312. Its totient is φ = 46343472.

The previous prime is 54067373. The next prime is 54067393. The reversal of 54067391 is 19376045.

54067391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 54067391 - 2¹⁸ = 53805247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54067393) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3861950 + ... + 3861963.

It is an arithmetic number, because the mean of its divisors is an integer number (15447828).

Almost surely, 2^54067391 is an apocalyptic number.

54067391 is a deficient number, since it is larger than the sum of its proper divisors (7723921).

54067391 is an equidigital number, since it uses as much as digits as its factorization.

54067391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7723920.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 54067391 is about 7353.0531753823. The cubic root of 54067391 is about 378.1334854185.

The spelling of 54067391 in words is "fifty-four million, sixty-seven thousand, three hundred ninety-one".