56561444526 has 8 divisors (see below), whose sum is σ = 113122889064. Its totient is φ = 18853814840.

The previous prime is 56561444479. The next prime is 56561444539. The reversal of 56561444526 is 62544416565.

It is a happy number.

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

56561444526 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4713453705 + ... + 4713453716.

It is an arithmetic number, because the mean of its divisors is an integer number (14140361133).

Almost surely, 2^56561444526 is an apocalyptic number.

56561444526 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56561444526 is a wasteful number, since it uses less digits than its factorization.

56561444526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9426907426.

The product of its digits is 3456000, while the sum is 48.

The spelling of 56561444526 in words is "fifty-six billion, five hundred sixty-one million, four hundred forty-four thousand, five hundred twenty-six".