56839442088 has 128 divisors (see below), whose sum is σ = 167399608320. Its totient is φ = 15855471360.

The previous prime is 56839442083. The next prime is 56839442131. The reversal of 56839442088 is 88024493865.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56839442083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1236981 + ... + 1282107.

It is an arithmetic number, because the mean of its divisors is an integer number (1307809440).

Almost surely, 2^56839442088 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 56839442088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83699804160).

56839442088 is an abundant number, since it is smaller than the sum of its proper divisors (110560166232).

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

56839442088 is a wasteful number, since it uses less digits than its factorization.

56839442088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45527 (or 45523 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 57.

The spelling of 56839442088 in words is "fifty-six billion, eight hundred thirty-nine million, four hundred forty-two thousand, eighty-eight".