54008987 has 2 divisors, whose sum is σ = 54008988. Its totient is φ = 54008986.

The previous prime is 54008959. The next prime is 54009019. The reversal of 54008987 is 78980045.

54008987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54008987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54008917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27004493 + 27004494.

It is an arithmetic number, because the mean of its divisors is an integer number (27004494).

Almost surely, 2^54008987 is an apocalyptic number.

54008987 is a deficient number, since it is larger than the sum of its proper divisors (1).

54008987 is an equidigital number, since it uses as much as digits as its factorization.

54008987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 54008987 is about 7349.0806908075. The cubic root of 54008987 is about 377.9972821581.

The spelling of 54008987 in words is "fifty-four million, eight thousand, nine hundred eighty-seven".