54284847 has 4 divisors (see below), whose sum is σ = 72379800. Its totient is φ = 36189896.

The previous prime is 54284837. The next prime is 54284851. The reversal of 54284847 is 74848245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54284847 - 2⁴ = 54284831 is a prime.

It is a super-2 number, since 2×54284847² = 5893689227626818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54284799 and 54284808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54284837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9047472 + ... + 9047477.

It is an arithmetic number, because the mean of its divisors is an integer number (18094950).

Almost surely, 2^54284847 is an apocalyptic number.

54284847 is a deficient number, since it is larger than the sum of its proper divisors (18094953).

54284847 is a wasteful number, since it uses less digits than its factorization.

54284847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18094952.

The product of its digits is 286720, while the sum is 42.

The square root of 54284847 is about 7367.8251200744. The cubic root of 54284847 is about 378.6397511569.

The spelling of 54284847 in words is "fifty-four million, two hundred eighty-four thousand, eight hundred forty-seven".