56040035536 has 20 divisors (see below), whose sum is σ = 109177450564. Its totient is φ = 27865209600.

The previous prime is 56040035489. The next prime is 56040035539. The reversal of 56040035536 is 63553004065.

It can be written as a sum of positive squares in 2 ways, for example, as 183439936 + 55856595600 = 13544^2 + 236340^2 .

It is a super-2 number, since 2×56040035536² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56040035495 and 56040035504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56040035539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9672525 + ... + 9678316.

Almost surely, 2^56040035536 is an apocalyptic number.

It is an amenable number.

56040035536 is a deficient number, since it is larger than the sum of its proper divisors (53137415028).

56040035536 is a wasteful number, since it uses less digits than its factorization.

56040035536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19351030 (or 19351024 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 37.

The spelling of 56040035536 in words is "fifty-six billion, forty million, thirty-five thousand, five hundred thirty-six".