54686249 has 8 divisors (see below), whose sum is σ = 57788160. Its totient is φ = 51644736.

The previous prime is 54686243. The next prime is 54686267. The reversal of 54686249 is 94268645.

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 54686249 - 2¹² = 54682153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54686243) 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, 13232 + ... + 16865.

It is an arithmetic number, because the mean of its divisors is an integer number (7223520).

Almost surely, 2^54686249 is an apocalyptic number.

It is an amenable number.

54686249 is a deficient number, since it is larger than the sum of its proper divisors (3101911).

54686249 is a wasteful number, since it uses less digits than its factorization.

54686249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30199.

The product of its digits is 414720, while the sum is 44.

The square root of 54686249 is about 7395.0151453530. The cubic root of 54686249 is about 379.5707271593.

The spelling of 54686249 in words is "fifty-four million, six hundred eighty-six thousand, two hundred forty-nine".