54979385 has 8 divisors (see below), whose sum is σ = 66122376. Its totient is φ = 43885440.

The previous prime is 54979363. The next prime is 54979387. The reversal of 54979385 is 58397945.

It can be written as a sum of positive squares in 4 ways, for example, as 32672656 + 22306729 = 5716^2 + 4723^2 .

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

It is not a de Polignac number, because 54979385 - 2¹⁰ = 54978361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54979387) 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, 9746 + ... + 14315.

It is an arithmetic number, because the mean of its divisors is an integer number (8265297).

Almost surely, 2^54979385 is an apocalyptic number.

It is an amenable number.

54979385 is a deficient number, since it is larger than the sum of its proper divisors (11142991).

54979385 is a wasteful number, since it uses less digits than its factorization.

54979385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24523.

The product of its digits is 1360800, while the sum is 50.

The square root of 54979385 is about 7414.8084938183. The cubic root of 54979385 is about 380.2477262810.

The spelling of 54979385 in words is "fifty-four million, nine hundred seventy-nine thousand, three hundred eighty-five".