56783623652 has 144 divisors (see below), whose sum is σ = 126111323520. Its totient is φ = 21835290624.

The previous prime is 56783623643. The next prime is 56783623661. The reversal of 56783623652 is 25632638765.

It is an interprime number because it is at equal distance from previous prime (56783623643) and next prime (56783623661).

It is a junction number, because it is equal to n+sod(n) for n = 56783623594 and 56783623603.

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 47 ways as a sum of consecutive naturals, for example, 33225374 + ... + 33227082.

It is an arithmetic number, because the mean of its divisors is an integer number (875773080).

Almost surely, 2^56783623652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56783623652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63055661760).

56783623652 is an abundant number, since it is smaller than the sum of its proper divisors (69327699868).

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

56783623652 is a wasteful number, since it uses less digits than its factorization.

56783623652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878 (or 1847 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 53.

The spelling of 56783623652 in words is "fifty-six billion, seven hundred eighty-three million, six hundred twenty-three thousand, six hundred fifty-two".