56536532686774 has 24 divisors (see below), whose sum is σ = 98650868141808. Its totient is φ = 24229847370960.

The previous prime is 56536532686721. The next prime is 56536532686811. The reversal of 56536532686774 is 47768623563565.

It is a junction number, because it is equal to n+sod(n) for n = 56536532686697 and 56536532686706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27642447 + ... + 29617189.

It is an arithmetic number, because the mean of its divisors is an integer number (4110452839242).

Almost surely, 2^{56536532686774} is an apocalyptic number.

56536532686774 is a deficient number, since it is larger than the sum of its proper divisors (42114335455034).

56536532686774 is a wasteful number, since it uses less digits than its factorization.

56536532686774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266900 (or 2266893 counting only the distinct ones).

The product of its digits is 4572288000, while the sum is 73.

The spelling of 56536532686774 in words is "fifty-six trillion, five hundred thirty-six billion, five hundred thirty-two million, six hundred eighty-six thousand, seven hundred seventy-four".