56611654870 has 32 divisors (see below), whose sum is σ = 107985921120. Its totient is φ = 21330543360.

The previous prime is 56611654849. The next prime is 56611654871. The reversal of 56611654870 is 7845611665.

56611654870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56611654871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2368752 + ... + 2392531.

It is an arithmetic number, because the mean of its divisors is an integer number (3374560035).

Almost surely, 2^56611654870 is an apocalyptic number.

56611654870 is a deficient number, since it is larger than the sum of its proper divisors (51374266250).

56611654870 is a wasteful number, since it uses less digits than its factorization.

56611654870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761360.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 56611654870 in words is "fifty-six billion, six hundred eleven million, six hundred fifty-four thousand, eight hundred seventy".