56005765376 has 72 divisors (see below), whose sum is σ = 123096171744. Its totient is φ = 25219112960.

The previous prime is 56005765351. The next prime is 56005765421. The reversal of 56005765376 is 67356750065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208376 + ... + 394248.

It is an arithmetic number, because the mean of its divisors is an integer number (1709669052).

Almost surely, 2^56005765376 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 56005765376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61548085872).

56005765376 is an abundant number, since it is smaller than the sum of its proper divisors (67090406368).

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

56005765376 is a wasteful number, since it uses less digits than its factorization.

56005765376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186007 (or 185993 counting only the distinct ones).

The product of its (nonzero) digits is 3969000, while the sum is 50.

The spelling of 56005765376 in words is "fifty-six billion, five million, seven hundred sixty-five thousand, three hundred seventy-six".