54665285 has 8 divisors (see below), whose sum is σ = 69457176. Its totient is φ = 41159680.

The previous prime is 54665267. The next prime is 54665287. The reversal of 54665285 is 58256645.

It can be written as a sum of positive squares in 4 ways, for example, as 20349121 + 34316164 = 4511^2 + 5858^2 .

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

It is not a de Polignac number, because 54665285 - 2¹⁴ = 54648901 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 (54665287) 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, 321476 + ... + 321645.

It is an arithmetic number, because the mean of its divisors is an integer number (8682147).

Almost surely, 2^54665285 is an apocalyptic number.

It is an amenable number.

54665285 is a deficient number, since it is larger than the sum of its proper divisors (14791891).

54665285 is a wasteful number, since it uses less digits than its factorization.

54665285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643143.

The product of its digits is 288000, while the sum is 41.

The square root of 54665285 is about 7393.5975681667. The cubic root of 54665285 is about 379.5222180862.

The spelling of 54665285 in words is "fifty-four million, six hundred sixty-five thousand, two hundred eighty-five".