56664067044 has 96 divisors (see below), whose sum is σ = 145121034240. Its totient is φ = 17101588608.

The previous prime is 56664067039. The next prime is 56664067111. The reversal of 56664067044 is 44076046665.

It is a junction number, because it is equal to n+sod(n) for n = 56664066984 and 56664067002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4291677 + ... + 4304859.

It is an arithmetic number, because the mean of its divisors is an integer number (1511677440).

Almost surely, 2^56664067044 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 56664067044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72560517120).

56664067044 is an abundant number, since it is smaller than the sum of its proper divisors (88456967196).

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

56664067044 is a wasteful number, since it uses less digits than its factorization.

56664067044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13729 (or 13727 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 56664067044 in words is "fifty-six billion, six hundred sixty-four million, sixty-seven thousand, forty-four".