54243285 has 16 divisors (see below), whose sum is σ = 87295104. Its totient is φ = 28761152.

The previous prime is 54243283. The next prime is 54243289. The reversal of 54243285 is 58234245.

54243285 = 2451² + 2452² + ... + 2459².

It is a cyclic number.

It is not a de Polignac number, because 54243285 - 2¹ = 54243283 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54243281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7857 + ... + 13046.

It is an arithmetic number, because the mean of its divisors is an integer number (5455944).

Almost surely, 2^54243285 is an apocalyptic number.

It is an amenable number.

54243285 is a deficient number, since it is larger than the sum of its proper divisors (33051819).

54243285 is a wasteful number, since it uses less digits than its factorization.

54243285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21084.

The product of its digits is 38400, while the sum is 33.

The square root of 54243285 is about 7365.0040733186. The cubic root of 54243285 is about 378.5430940837.

The spelling of 54243285 in words is "fifty-four million, two hundred forty-three thousand, two hundred eighty-five".