54658591 has 8 divisors (see below), whose sum is σ = 60893280. Its totient is φ = 48713952.

The previous prime is 54658579. The next prime is 54658601. The reversal of 54658591 is 19585645.

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 54658591 - 2⁷ = 54658463 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 (54658291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72115 + ... + 72868.

It is an arithmetic number, because the mean of its divisors is an integer number (7611660).

Almost surely, 2^54658591 is an apocalyptic number.

54658591 is a deficient number, since it is larger than the sum of its proper divisors (6234689).

54658591 is a wasteful number, since it uses less digits than its factorization.

54658591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145025.

The product of its digits is 216000, while the sum is 43.

The square root of 54658591 is about 7393.1448653465. The cubic root of 54658591 is about 379.5067260761.

The spelling of 54658591 in words is "fifty-four million, six hundred fifty-eight thousand, five hundred ninety-one".