54659687 has 2 divisors, whose sum is σ = 54659688. Its totient is φ = 54659686.

The previous prime is 54659677. The next prime is 54659719. The reversal of 54659687 is 78695645.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54659687 - 2⁶ = 54659623 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 (54659677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27329843 + 27329844.

It is an arithmetic number, because the mean of its divisors is an integer number (27329844).

Almost surely, 2^54659687 is an apocalyptic number.

54659687 is a deficient number, since it is larger than the sum of its proper divisors (1).

54659687 is an equidigital number, since it uses as much as digits as its factorization.

54659687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 50.

The square root of 54659687 is about 7393.2189876941. The cubic root of 54659687 is about 379.5092626496.

The spelling of 54659687 in words is "fifty-four million, six hundred fifty-nine thousand, six hundred eighty-seven".