56447668730 has 32 divisors (see below), whose sum is σ = 102340054800. Its totient is φ = 22416463872.

The previous prime is 56447668721. The next prime is 56447668793. The reversal of 56447668730 is 3786674465.

It can be written as a sum of positive squares in 8 ways, for example, as 17804365489 + 38643303241 = 133433^2 + 196579^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773456 + ... + 843284.

Almost surely, 2^56447668730 is an apocalyptic number.

56447668730 is a deficient number, since it is larger than the sum of its proper divisors (45892386070).

56447668730 is a wasteful number, since it uses less digits than its factorization.

56447668730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70418.

The product of its (nonzero) digits is 20321280, while the sum is 56.

The spelling of 56447668730 in words is "fifty-six billion, four hundred forty-seven million, six hundred sixty-eight thousand, seven hundred thirty".