56017176138 has 96 divisors (see below), whose sum is σ = 152194453632. Its totient is φ = 14465750400.

The previous prime is 56017176133. The next prime is 56017176191. The reversal of 56017176138 is 83167171065.

56017176138 is a `hidden beast` number, since 5 + 6 + 0 + 17 + 17 + 613 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56017176093 and 56017176102.

It is not an unprimeable number, because it can be changed into a prime (56017176133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122968 + ... + 356588.

It is an arithmetic number, because the mean of its divisors is an integer number (1585358892).

Almost surely, 2^56017176138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56017176138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76097226816).

56017176138 is an abundant number, since it is smaller than the sum of its proper divisors (96177277494).

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

56017176138 is a wasteful number, since it uses less digits than its factorization.

56017176138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233820 (or 233817 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 56017176138 in words is "fifty-six billion, seventeen million, one hundred seventy-six thousand, one hundred thirty-eight".