55056011 has 4 divisors (see below), whose sum is σ = 55072392. Its totient is φ = 55039632.

The previous prime is 55055999. The next prime is 55056017. The reversal of 55056011 is 11065055.

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

It is a cyclic number.

It is not a de Polignac number, because 55056011 - 2¹⁸ = 54793867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55056017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106 + ... + 10551.

It is an arithmetic number, because the mean of its divisors is an integer number (13768098).

Almost surely, 2^55056011 is an apocalyptic number.

55056011 is a deficient number, since it is larger than the sum of its proper divisors (16381).

55056011 is a wasteful number, since it uses less digits than its factorization.

55056011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16380.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 55056011 is about 7419.9737870157. The cubic root of 55056011 is about 380.4242975329.

The spelling of 55056011 in words is "fifty-five million, fifty-six thousand, eleven".