56636305236 has 54 divisors (see below), whose sum is σ = 166537712250. Its totient is φ = 16181800992.

The previous prime is 56636305183. The next prime is 56636305241. The reversal of 56636305236 is 63250363665.

56636305236 is a `hidden beast` number, since 5 + 6 + 6 + 3 + 630 + 5 + 2 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28834077636 + 27802227600 = 169806^2 + 166740^2 .

It is a super-2 number, since 2×56636305236² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56636305191 and 56636305200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16051611 + ... + 16055138.

Almost surely, 2^56636305236 is an apocalyptic number.

It is an amenable number.

56636305236 is an abundant number, since it is smaller than the sum of its proper divisors (109901407014).

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

56636305236 is a wasteful number, since it uses less digits than its factorization.

56636305236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32106773 (or 32106761 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 45.

The spelling of 56636305236 in words is "fifty-six billion, six hundred thirty-six million, three hundred five thousand, two hundred thirty-six".