56844428064 has 48 divisors (see below), whose sum is σ = 149233593600. Its totient is φ = 18945987840.

The previous prime is 56844428051. The next prime is 56844428089. The reversal of 56844428064 is 46082444865.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 56844427998 and 56844428016.

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, 969834 + ... + 1026774.

It is an arithmetic number, because the mean of its divisors is an integer number (3109033200).

Almost surely, 2^56844428064 is an apocalyptic number.

It is an amenable number.

56844428064 is an abundant number, since it is smaller than the sum of its proper divisors (92389165536).

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

56844428064 is a wasteful number, since it uses less digits than its factorization.

56844428064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67353 (or 67345 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 51.

The spelling of 56844428064 in words is "fifty-six billion, eight hundred forty-four million, four hundred twenty-eight thousand, sixty-four".