54009047 has 2 divisors, whose sum is σ = 54009048. Its totient is φ = 54009046.

The previous prime is 54009031. The next prime is 54009091. The reversal of 54009047 is 74090045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54009047 - 2⁴ = 54009031 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54009547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27004523 + 27004524.

It is an arithmetic number, because the mean of its divisors is an integer number (27004524).

Almost surely, 2^54009047 is an apocalyptic number.

54009047 is a deficient number, since it is larger than the sum of its proper divisors (1).

54009047 is an equidigital number, since it uses as much as digits as its factorization.

54009047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 54009047 is about 7349.0847729496. The cubic root of 54009047 is about 377.9974221337.

The spelling of 54009047 in words is "fifty-four million, nine thousand, forty-seven".