54497647 has 2 divisors, whose sum is σ = 54497648. Its totient is φ = 54497646.

The previous prime is 54497623. The next prime is 54497687. The reversal of 54497647 is 74679445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54497647 - 2⁷ = 54497519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54497597 and 54497606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54497687) 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 as a sum of consecutive naturals, namely, 27248823 + 27248824.

It is an arithmetic number, because the mean of its divisors is an integer number (27248824).

Almost surely, 2^54497647 is an apocalyptic number.

54497647 is a deficient number, since it is larger than the sum of its proper divisors (1).

54497647 is an equidigital number, since it uses as much as digits as its factorization.

54497647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 46.

The square root of 54497647 is about 7382.2521631275. The cubic root of 54497647 is about 379.1338699054.

The spelling of 54497647 in words is "fifty-four million, four hundred ninety-seven thousand, six hundred forty-seven".