54409447 has 2 divisors, whose sum is σ = 54409448. Its totient is φ = 54409446.

The previous prime is 54409417. The next prime is 54409451. The reversal of 54409447 is 74490445.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54409447 - 2¹¹ = 54407399 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54409417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27204723 + 27204724.

It is an arithmetic number, because the mean of its divisors is an integer number (27204724).

Almost surely, 2^54409447 is an apocalyptic number.

54409447 is a deficient number, since it is larger than the sum of its proper divisors (1).

54409447 is an equidigital number, since it uses as much as digits as its factorization.

54409447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 54409447 is about 7376.2759574192. The cubic root of 54409447 is about 378.9292270437.

The spelling of 54409447 in words is "fifty-four million, four hundred nine thousand, four hundred forty-seven".