56716171040 has 96 divisors (see below), whose sum is σ = 140324970240. Its totient is φ = 21621371904.

The previous prime is 56716171037. The next prime is 56716171049. The reversal of 56716171040 is 4017161765.

It is a junction number, because it is equal to n+sod(n) for n = 56716170985 and 56716171003.

It is not an unprimeable number, because it can be changed into a prime (56716171049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991541 + ... + 1047179.

It is an arithmetic number, because the mean of its divisors is an integer number (1461718440).

Almost surely, 2^56716171040 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 56716171040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70162485120).

56716171040 is an abundant number, since it is smaller than the sum of its proper divisors (83608799200).

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

56716171040 is a wasteful number, since it uses less digits than its factorization.

56716171040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55954 (or 55946 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 56716171040 in words is "fifty-six billion, seven hundred sixteen million, one hundred seventy-one thousand, forty".