56513651076 has 135 divisors (see below), whose sum is σ = 151487178997. Its totient is φ = 18371465280.

The previous prime is 56513651071. The next prime is 56513651111. The reversal of 56513651076 is 67015631565.

The square root of 56513651076 is 237726.

It is a perfect power (a square), and thus also a powerful number.

56513651076 is a `hidden beast` number, since 5 + 6 + 513 + 65 + 1 + 0 + 76 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38191321476 + 18322329600 = 195426^2 + 135360^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56513651071) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 201116056 + ... + 201116336.

Almost surely, 2^56513651076 is an apocalyptic number.

56513651076 is the 237726-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56513651076

56513651076 is an abundant number, since it is smaller than the sum of its proper divisors (94973527921).

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

56513651076 is an equidigital number, since it uses as much as digits as its factorization.

56513651076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The spelling of 56513651076 in words is "fifty-six billion, five hundred thirteen million, six hundred fifty-one thousand, seventy-six".