54785047 has 2 divisors, whose sum is σ = 54785048. Its totient is φ = 54785046.

The previous prime is 54785041. The next prime is 54785077. The reversal of 54785047 is 74058745.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54785047 - 2³ = 54785039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54785041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27392523 + 27392524.

It is an arithmetic number, because the mean of its divisors is an integer number (27392524).

Almost surely, 2^54785047 is an apocalyptic number.

54785047 is a deficient number, since it is larger than the sum of its proper divisors (1).

54785047 is an equidigital number, since it uses as much as digits as its factorization.

54785047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 54785047 is about 7401.6921713889. The cubic root of 54785047 is about 379.7991713515.

The spelling of 54785047 in words is "fifty-four million, seven hundred eighty-five thousand, forty-seven".