56418538502556 has 72 divisors (see below), whose sum is σ = 143546452817040. Its totient is φ = 18683420166144.

The previous prime is 56418538502533. The next prime is 56418538502569. The reversal of 56418538502556 is 65520583581465.

56418538502556 is a `hidden beast` number, since 5 + 6 + 4 + 185 + 385 + 0 + 25 + 56 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 56418538502493 and 56418538502502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359415 + ... + 10628558.

It is an arithmetic number, because the mean of its divisors is an integer number (1993700733570).

Almost surely, 2^{56418538502556} is an apocalyptic number.

It is an amenable number.

56418538502556 is an abundant number, since it is smaller than the sum of its proper divisors (87127914314484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56418538502556 is a wasteful number, since it uses less digits than its factorization.

56418538502556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10988915 (or 10988910 counting only the distinct ones).

The product of its (nonzero) digits is 172800000, while the sum is 63.

The spelling of 56418538502556 in words is "fifty-six trillion, four hundred eighteen billion, five hundred thirty-eight million, five hundred two thousand, five hundred fifty-six".