56561247674 has 8 divisors (see below), whose sum is σ = 84926971668. Its totient is φ = 28252257120.

The previous prime is 56561247643. The next prime is 56561247703. The reversal of 56561247674 is 47674216565.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49280892049 + 7280355625 = 221993^2 + 85325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 14180867 + ... + 14184854.

Almost surely, 2^56561247674 is an apocalyptic number.

56561247674 is a deficient number, since it is larger than the sum of its proper divisors (28365723994).

56561247674 is a wasteful number, since it uses less digits than its factorization.

56561247674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28366720.

The product of its digits is 8467200, while the sum is 53.

The spelling of 56561247674 in words is "fifty-six billion, five hundred sixty-one million, two hundred forty-seven thousand, six hundred seventy-four".