55386840006 has 24 divisors (see below), whose sum is σ = 120243417840. Its totient is φ = 18425572656.

The previous prime is 55386839983. The next prime is 55386840011. The reversal of 55386840006 is 60004868355.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3049641 + ... + 3067748.

It is an arithmetic number, because the mean of its divisors is an integer number (5010142410).

Almost surely, 2^55386840006 is an apocalyptic number.

55386840006 is an abundant number, since it is smaller than the sum of its proper divisors (64856577834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55386840006 is a wasteful number, since it uses less digits than its factorization.

55386840006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6117900 (or 6117897 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 55386840006 in words is "fifty-five billion, three hundred eighty-six million, eight hundred forty thousand, six".