56005365312 has 84 divisors (see below), whose sum is σ = 172877695900. Its totient is φ = 17232417792.

The previous prime is 56005365287. The next prime is 56005365329. The reversal of 56005365312 is 21356350065.

56005365312 is a `hidden beast` number, since 5 + 60 + 0 + 536 + 53 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28030795776 + 27974569536 = 167424^2 + 167256^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3732187 + ... + 3747162.

Almost surely, 2^56005365312 is an apocalyptic number.

56005365312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56005365312 is an abundant number, since it is smaller than the sum of its proper divisors (116872330588).

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

56005365312 is a wasteful number, since it uses less digits than its factorization.

56005365312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7479380 (or 7479367 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 56005365312 in words is "fifty-six billion, five million, three hundred sixty-five thousand, three hundred twelve".