55864904425088 has 128 divisors (see below), whose sum is σ = 121924912919040. Its totient is φ = 25285783449600.

The previous prime is 55864904425087. The next prime is 55864904425133. The reversal of 55864904425088 is 88052440946855.

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

It is not an unprimeable number, because it can be changed into a prime (55864904425087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510262193 + ... + 510371663.

It is an arithmetic number, because the mean of its divisors is an integer number (952538382180).

Almost surely, 2^{55864904425088} 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 55864904425088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60962456459520).

55864904425088 is an abundant number, since it is smaller than the sum of its proper divisors (66060008493952).

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

55864904425088 is a wasteful number, since it uses less digits than its factorization.

55864904425088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111026 (or 111014 counting only the distinct ones).

The product of its (nonzero) digits is 442368000, while the sum is 68.

The spelling of 55864904425088 in words is "fifty-five trillion, eight hundred sixty-four billion, nine hundred four million, four hundred twenty-five thousand, eighty-eight".