54391071 has 8 divisors (see below), whose sum is σ = 82881664. Its totient is φ = 31080600.

The previous prime is 54391061. The next prime is 54391093. The reversal of 54391071 is 17019345.

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

It is not a de Polignac number, because 54391071 - 2⁵ = 54391039 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 (54391031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295005 + ... + 1295046.

It is an arithmetic number, because the mean of its divisors is an integer number (10360208).

Almost surely, 2^54391071 is an apocalyptic number.

54391071 is a deficient number, since it is larger than the sum of its proper divisors (28490593).

54391071 is a wasteful number, since it uses less digits than its factorization.

54391071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590061.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 54391071 is about 7375.0302372261. The cubic root of 54391071 is about 378.8865629604.

The spelling of 54391071 in words is "fifty-four million, three hundred ninety-one thousand, seventy-one".