54509791 has 8 divisors (see below), whose sum is σ = 62341760. Its totient is φ = 46689048.

The previous prime is 54509773. The next prime is 54509809. The reversal of 54509791 is 19790545.

It is an interprime number because it is at equal distance from previous prime (54509773) and next prime (54509809).

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

It is not a de Polignac number, because 54509791 - 2¹¹ = 54507743 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 (54509711) 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, 16240 + ... + 19306.

It is an arithmetic number, because the mean of its divisors is an integer number (7792720).

Almost surely, 2^54509791 is an apocalyptic number.

54509791 is a deficient number, since it is larger than the sum of its proper divisors (7831969).

54509791 is a wasteful number, since it uses less digits than its factorization.

54509791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5613.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 54509791 is about 7383.0746305316. The cubic root of 54509791 is about 379.1620292849.

The spelling of 54509791 in words is "fifty-four million, five hundred nine thousand, seven hundred ninety-one".