54730859866 has 4 divisors (see below), whose sum is σ = 82096289802. Its totient is φ = 27365429932.

The previous prime is 54730859839. The next prime is 54730859867. The reversal of 54730859866 is 66895803745.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66895803745 = 5 ⋅13379160749.

It can be written as a sum of positive squares in only one way, i.e., 47534900625 + 7195959241 = 218025^2 + 84829^2 .

It is not an unprimeable number, because it can be changed into a prime (54730859867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13682714965 + ... + 13682714968.

Almost surely, 2^54730859866 is an apocalyptic number.

54730859866 is a deficient number, since it is larger than the sum of its proper divisors (27365429936).

54730859866 is a wasteful number, since it uses less digits than its factorization.

54730859866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27365429935.

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 54730859866 in words is "fifty-four billion, seven hundred thirty million, eight hundred fifty-nine thousand, eight hundred sixty-six".