56817108208 has 80 divisors (see below), whose sum is σ = 126960088320. Its totient is φ = 24128368128.

The previous prime is 56817108169. The next prime is 56817108217. The reversal of 56817108208 is 80280171865.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6330348 + ... + 6339316.

It is an arithmetic number, because the mean of its divisors is an integer number (1587001104).

Almost surely, 2^56817108208 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 56817108208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63480044160).

56817108208 is an abundant number, since it is smaller than the sum of its proper divisors (70142980112).

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

56817108208 is a wasteful number, since it uses less digits than its factorization.

56817108208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9494 (or 9488 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 46.

It can be divided in two parts, 56817 and 108208, that added together give a triangular number (165025 = T₅₇₄).

The spelling of 56817108208 in words is "fifty-six billion, eight hundred seventeen million, one hundred eight thousand, two hundred eight".