56611266844 has 48 divisors (see below), whose sum is σ = 112835149056. Its totient is φ = 24600470400.

The previous prime is 56611266799. The next prime is 56611266847. The reversal of 56611266844 is 44866211665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56611266847) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2021224 + ... + 2049040.

It is an arithmetic number, because the mean of its divisors is an integer number (2350732272).

Almost surely, 2^56611266844 is an apocalyptic number.

It is an amenable number.

56611266844 is a deficient number, since it is larger than the sum of its proper divisors (56223882212).

56611266844 is a wasteful number, since it uses less digits than its factorization.

56611266844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29866 (or 29864 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 49.

The spelling of 56611266844 in words is "fifty-six billion, six hundred eleven million, two hundred sixty-six thousand, eight hundred forty-four".