56256424324164 has 18 divisors (see below), whose sum is σ = 142203739263950. Its totient is φ = 18752141441376.

The previous prime is 56256424324091. The next prime is 56256424324241. The reversal of 56256424324164 is 46142342465265.

56256424324164 is a `hidden beast` number, since 5 + 6 + 2 + 5 + 6 + 42 + 432 + 4 + 164 = 666.

It can be written as a sum of positive squares in only one way, i.e., 46314258589764 + 9942165734400 = 6805458^2 + 3153120^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 56256424324164.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 781339226689 + ... + 781339226760.

Almost surely, 2^{56256424324164} is an apocalyptic number.

It is an amenable number.

56256424324164 is an abundant number, since it is smaller than the sum of its proper divisors (85947314939786).

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

56256424324164 is a wasteful number, since it uses less digits than its factorization.

56256424324164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562678453459 (or 1562678453454 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 54.

The spelling of 56256424324164 in words is "fifty-six trillion, two hundred fifty-six billion, four hundred twenty-four million, three hundred twenty-four thousand, one hundred sixty-four".