5455784644047 has 48 divisors (see below), whose sum is σ = 8426273856000. Its totient is φ = 3391679381760.

The previous prime is 5455784644039. The next prime is 5455784644067. The reversal of 5455784644047 is 7404464875545.

5455784644047 is a `hidden beast` number, since 5 + 45 + 5 + 78 + 46 + 440 + 47 = 666.

It is not a de Polignac number, because 5455784644047 - 2³ = 5455784644039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5455784644067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3137079 + ... + 4555527.

It is an arithmetic number, because the mean of its divisors is an integer number (175547372000).

Almost surely, 2^{5455784644047} is an apocalyptic number.

5455784644047 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

5455784644047 is a deficient number, since it is larger than the sum of its proper divisors (2970489211953).

5455784644047 is a wasteful number, since it uses less digits than its factorization.

5455784644047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418828 (or 1418825 counting only the distinct ones).

The product of its (nonzero) digits is 301056000, while the sum is 63.

The spelling of 5455784644047 in words is "five trillion, four hundred fifty-five billion, seven hundred eighty-four million, six hundred forty-four thousand, forty-seven".