56055601011 has 16 divisors (see below), whose sum is σ = 77390933760. Its totient is φ = 36047763360.

The previous prime is 56055601009. The next prime is 56055601013. The reversal of 56055601011 is 11010655065.

It is an interprime number because it is at equal distance from previous prime (56055601009) and next prime (56055601013).

It is not a de Polignac number, because 56055601011 - 2¹ = 56055601009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56055601011.

It is not an unprimeable number, because it can be changed into a prime (56055601013) by changing a digit.

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, 210585 + ... + 395546.

It is an arithmetic number, because the mean of its divisors is an integer number (4836933360).

Almost surely, 2^56055601011 is an apocalyptic number.

56055601011 is a deficient number, since it is larger than the sum of its proper divisors (21335332749).

56055601011 is a wasteful number, since it uses less digits than its factorization.

56055601011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607226.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 56055601011 in words is "fifty-six billion, fifty-five million, six hundred one thousand, eleven".