56231726578 has 8 divisors (see below), whose sum is σ = 86627254572. Its totient is φ = 27355975056.

The previous prime is 56231726519. The next prime is 56231726597. The reversal of 56231726578 is 87562713265.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54203755489 + 2027971089 = 232817^2 + 45033^2 .

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379944025 + ... + 379944172.

Almost surely, 2^56231726578 is an apocalyptic number.

56231726578 is a deficient number, since it is larger than the sum of its proper divisors (30395527994).

56231726578 is a wasteful number, since it uses less digits than its factorization.

56231726578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759888236.

The product of its digits is 4233600, while the sum is 52.

The spelling of 56231726578 in words is "fifty-six billion, two hundred thirty-one million, seven hundred twenty-six thousand, five hundred seventy-eight".