56785520176 has 160 divisors (see below), whose sum is σ = 138681123840. Its totient is φ = 21881856000.

The previous prime is 56785520171. The next prime is 56785520221. The reversal of 56785520176 is 67102558765.

It is not an unprimeable number, because it can be changed into a prime (56785520171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67681965 + ... + 67682803.

It is an arithmetic number, because the mean of its divisors is an integer number (866757024).

Almost surely, 2^56785520176 is an apocalyptic number.

56785520176 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56785520176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69340561920).

56785520176 is an abundant number, since it is smaller than the sum of its proper divisors (81895603664).

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

56785520176 is a wasteful number, since it uses less digits than its factorization.

56785520176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 52.

The spelling of 56785520176 in words is "fifty-six billion, seven hundred eighty-five million, five hundred twenty thousand, one hundred seventy-six".