55895594880 has 128 divisors (see below), whose sum is σ = 179261262720. Its totient is φ = 14813964288.

The previous prime is 55895594879. The next prime is 55895594899. The reversal of 55895594880 is 8849559855.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223659 + ... + 402261.

It is an arithmetic number, because the mean of its divisors is an integer number (1400478615).

Almost surely, 2^55895594880 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 55895594880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89630631360).

55895594880 is an abundant number, since it is smaller than the sum of its proper divisors (123365667840).

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

55895594880 is a wasteful number, since it uses less digits than its factorization.

55895594880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178788 (or 178776 counting only the distinct ones).

The product of its (nonzero) digits is 103680000, while the sum is 66.

The spelling of 55895594880 in words is "fifty-five billion, eight hundred ninety-five million, five hundred ninety-four thousand, eight hundred eighty".