56005605869328 has 80 divisors (see below), whose sum is σ = 160782923490240. Its totient is φ = 18665505271296.

The previous prime is 56005605869267. The next prime is 56005605869329. The reversal of 56005605869328 is 82396850650065.

56005605869328 is a `hidden beast` number, since 5 + 6 + 0 + 0 + 560 + 5 + 8 + 69 + 3 + 2 + 8 = 666.

It is a super-2 number, since 2×56005605869328² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56005605869329) 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, 7855401 + ... + 13180232.

It is an arithmetic number, because the mean of its divisors is an integer number (2009786543628).

Almost surely, 2^{56005605869328} is an apocalyptic number.

It is an amenable number.

56005605869328 is an abundant number, since it is smaller than the sum of its proper divisors (104777317620912).

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

56005605869328 is a wasteful number, since it uses less digits than its factorization.

56005605869328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21041813 (or 21041801 counting only the distinct ones).

The product of its (nonzero) digits is 93312000, while the sum is 63.

The spelling of 56005605869328 in words is "fifty-six trillion, five billion, six hundred five million, eight hundred sixty-nine thousand, three hundred twenty-eight".