55550555546 has 32 divisors (see below), whose sum is σ = 89187246720. Its totient is φ = 25857616896.

The previous prime is 55550555503. The next prime is 55550555551. The reversal of 55550555546 is 64555505555.

It is a junction number, because it is equal to n+sod(n) for n = 55550555494 and 55550555503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3167570 + ... + 3185058.

It is an arithmetic number, because the mean of its divisors is an integer number (2787101460).

Almost surely, 2^55550555546 is an apocalyptic number.

55550555546 is a deficient number, since it is larger than the sum of its proper divisors (33636691174).

55550555546 is a wasteful number, since it uses less digits than its factorization.

55550555546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18518.

The product of its (nonzero) digits is 9375000, while the sum is 50.

The spelling of 55550555546 in words is "fifty-five billion, five hundred fifty million, five hundred fifty-five thousand, five hundred forty-six".