54718687 has 2 divisors, whose sum is σ = 54718688. Its totient is φ = 54718686.

The previous prime is 54718673. The next prime is 54718693. The reversal of 54718687 is 78681745.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54718687 - 2¹⁵ = 54685919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54718637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27359343 + 27359344.

It is an arithmetic number, because the mean of its divisors is an integer number (27359344).

Almost surely, 2^54718687 is an apocalyptic number.

54718687 is a deficient number, since it is larger than the sum of its proper divisors (1).

54718687 is an equidigital number, since it uses as much as digits as its factorization.

54718687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 376320, while the sum is 46.

The square root of 54718687 is about 7397.2080543946. The cubic root of 54718687 is about 379.6457617540.

The spelling of 54718687 in words is "fifty-four million, seven hundred eighteen thousand, six hundred eighty-seven".