55545459986 has 4 divisors (see below), whose sum is σ = 83318189982. Its totient is φ = 27772729992.

The previous prime is 55545459941. The next prime is 55545460027. The reversal of 55545459986 is 68995454555.

55545459986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43888155025 + 11657304961 = 209495^2 + 107969^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13886364995 + ... + 13886364998.

Almost surely, 2^55545459986 is an apocalyptic number.

55545459986 is a deficient number, since it is larger than the sum of its proper divisors (27772729996).

55545459986 is a wasteful number, since it uses less digits than its factorization.

55545459986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27772729995.

The product of its digits is 194400000, while the sum is 65.

The spelling of 55545459986 in words is "fifty-five billion, five hundred forty-five million, four hundred fifty-nine thousand, nine hundred eighty-six".