56556255064 has 8 divisors (see below), whose sum is σ = 106042978260. Its totient is φ = 28278127528.

The previous prime is 56556255059. The next prime is 56556255073. The reversal of 56556255064 is 46055265565.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 56556254999 and 56556255017.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3534765934 + ... + 3534765949.

Almost surely, 2^56556255064 is an apocalyptic number.

It is an amenable number.

56556255064 is a deficient number, since it is larger than the sum of its proper divisors (49486723196).

56556255064 is a wasteful number, since it uses less digits than its factorization.

56556255064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7069531889 (or 7069531885 counting only the distinct ones).

The product of its (nonzero) digits is 5400000, while the sum is 49.

The spelling of 56556255064 in words is "fifty-six billion, five hundred fifty-six million, two hundred fifty-five thousand, sixty-four".