54320791 has 8 divisors (see below), whose sum is σ = 65348480. Its totient is φ = 44110008.

The previous prime is 54320737. The next prime is 54320801. The reversal of 54320791 is 19702345.

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

It is a cyclic number.

It is not a de Polignac number, because 54320791 - 2²⁵ = 20766359 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 (54320191) 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, 204081 + ... + 204346.

It is an arithmetic number, because the mean of its divisors is an integer number (8168560).

Almost surely, 2^54320791 is an apocalyptic number.

54320791 is a deficient number, since it is larger than the sum of its proper divisors (11027689).

54320791 is a wasteful number, since it uses less digits than its factorization.

54320791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408453.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 54320791 is about 7370.2639708493. The cubic root of 54320791 is about 378.7233031683.

The spelling of 54320791 in words is "fifty-four million, three hundred twenty thousand, seven hundred ninety-one".