54559979 has 8 divisors (see below), whose sum is σ = 57182112. Its totient is φ = 51958720.

The previous prime is 54559957. The next prime is 54560003. The reversal of 54559979 is 97995545.

It is a happy number.

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 54559979 - 2²⁴ = 37782763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54559979.

It is not an unprimeable number, because it can be changed into a prime (54559079) 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, 269 + ... + 10449.

It is an arithmetic number, because the mean of its divisors is an integer number (7147764).

Almost surely, 2^54559979 is an apocalyptic number.

54559979 is a deficient number, since it is larger than the sum of its proper divisors (2622133).

54559979 is a wasteful number, since it uses less digits than its factorization.

54559979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10437.

The product of its digits is 2551500, while the sum is 53.

The square root of 54559979 is about 7386.4727035304. The cubic root of 54559979 is about 379.2783603534.

The spelling of 54559979 in words is "fifty-four million, five hundred fifty-nine thousand, nine hundred seventy-nine".