56055554906 has 24 divisors (see below), whose sum is σ = 91180959264. Its totient is φ = 25834245840.

The previous prime is 56055554899. The next prime is 56055554921. The reversal of 56055554906 is 60945555065.

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 11 ways as a sum of consecutive naturals, for example, 113555 + ... + 353561.

It is an arithmetic number, because the mean of its divisors is an integer number (3799206636).

Almost surely, 2^56055554906 is an apocalyptic number.

56055554906 is a deficient number, since it is larger than the sum of its proper divisors (35125404358).

56055554906 is a wasteful number, since it uses less digits than its factorization.

56055554906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240726 (or 240713 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 56055554906 in words is "fifty-six billion, fifty-five million, five hundred fifty-four thousand, nine hundred six".