54559397 has 8 divisors (see below), whose sum is σ = 56658840. Its totient is φ = 52496640.

The previous prime is 54559391. The next prime is 54559441. The reversal of 54559397 is 79395545.

It can be written as a sum of positive squares in 4 ways, for example, as 13586596 + 40972801 = 3686^2 + 6401^2 .

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 54559397 - 2⁶ = 54559333 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 (54559391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6122 + ... + 12107.

It is an arithmetic number, because the mean of its divisors is an integer number (7082355).

Almost surely, 2^54559397 is an apocalyptic number.

It is an amenable number.

54559397 is a deficient number, since it is larger than the sum of its proper divisors (2099443).

54559397 is a wasteful number, since it uses less digits than its factorization.

54559397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18343.

The product of its digits is 850500, while the sum is 47.

The square root of 54559397 is about 7386.4333070840. The cubic root of 54559397 is about 379.2770117410.

The spelling of 54559397 in words is "fifty-four million, five hundred fifty-nine thousand, three hundred ninety-seven".