56240641056 has 96 divisors (see below), whose sum is σ = 149648748480. Its totient is φ = 18492281856.

The previous prime is 56240641033. The next prime is 56240641069. The reversal of 56240641056 is 65014604265.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 2363490 + ... + 2387166.

It is an arithmetic number, because the mean of its divisors is an integer number (1558841130).

Almost surely, 2^56240641056 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 56240641056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74824374240).

56240641056 is an abundant number, since it is smaller than the sum of its proper divisors (93408107424).

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

56240641056 is a wasteful number, since it uses less digits than its factorization.

56240641056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24026 (or 24018 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 56240641056 in words is "fifty-six billion, two hundred forty million, six hundred forty-one thousand, fifty-six".