54447347 has 2 divisors, whose sum is σ = 54447348. Its totient is φ = 54447346.

The previous prime is 54447343. The next prime is 54447373. The reversal of 54447347 is 74374445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54447347 - 2² = 54447343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54447347.

It is not a weakly prime, because it can be changed into another prime (54447343) 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, 27223673 + 27223674.

It is an arithmetic number, because the mean of its divisors is an integer number (27223674).

Almost surely, 2^54447347 is an apocalyptic number.

54447347 is a deficient number, since it is larger than the sum of its proper divisors (1).

54447347 is an equidigital number, since it uses as much as digits as its factorization.

54447347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 38.

The square root of 54447347 is about 7378.8445572461. The cubic root of 54447347 is about 379.0171902266.

The spelling of 54447347 in words is "fifty-four million, four hundred forty-seven thousand, three hundred forty-seven".