54284247 has 12 divisors (see below), whose sum is σ = 83023200. Its totient is φ = 34060608.

The previous prime is 54284239. The next prime is 54284249. The reversal of 54284247 is 74248245.

It is not a de Polignac number, because 54284247 - 2³ = 54284239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54284249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177247 + ... + 177552.

It is an arithmetic number, because the mean of its divisors is an integer number (6918600).

Almost surely, 2^54284247 is an apocalyptic number.

54284247 is a deficient number, since it is larger than the sum of its proper divisors (28738953).

54284247 is a wasteful number, since it uses less digits than its factorization.

54284247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354822 (or 354819 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 54284247 is about 7367.7844023831. The cubic root of 54284247 is about 378.6383561409.

The spelling of 54284247 in words is "fifty-four million, two hundred eighty-four thousand, two hundred forty-seven".