56556743178 has 16 divisors (see below), whose sum is σ = 121814523936. Its totient is φ = 17402074800.

The previous prime is 56556743147. The next prime is 56556743183. The reversal of 56556743178 is 87134765565.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362543148 + ... + 362543303.

It is an arithmetic number, because the mean of its divisors is an integer number (7613407746).

Almost surely, 2^56556743178 is an apocalyptic number.

56556743178 is an abundant number, since it is smaller than the sum of its proper divisors (65257780758).

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

56556743178 is a wasteful number, since it uses less digits than its factorization.

56556743178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725086469.

The product of its digits is 21168000, while the sum is 57.

The spelling of 56556743178 in words is "fifty-six billion, five hundred fifty-six million, seven hundred forty-three thousand, one hundred seventy-eight".