56315306536 has 8 divisors (see below), whose sum is σ = 105591199770. Its totient is φ = 28157653264.

The previous prime is 56315306503. The next prime is 56315306543. The reversal of 56315306536 is 63560351365.

It can be written as a sum of positive squares in only one way, i.e., 36936996100 + 19378310436 = 192190^2 + 139206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 56315306492 and 56315306501.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3519706651 + ... + 3519706666.

Almost surely, 2^56315306536 is an apocalyptic number.

It is an amenable number.

56315306536 is a deficient number, since it is larger than the sum of its proper divisors (49275893234).

56315306536 is a wasteful number, since it uses less digits than its factorization.

56315306536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7039413323 (or 7039413319 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 43.

The spelling of 56315306536 in words is "fifty-six billion, three hundred fifteen million, three hundred six thousand, five hundred thirty-six".