55589796288 has 448 divisors, whose sum is σ = 186789568000. Its totient is φ = 16070565888.

The previous prime is 55589796287. The next prime is 55589796313. The reversal of 55589796288 is 88269798555.

55589796288 is a `hidden beast` number, since 5 + 558 + 9 + 7 + 9 + 62 + 8 + 8 = 666.

55589796288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55589796287) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59326956 + ... + 59327892.

It is an arithmetic number, because the mean of its divisors is an integer number (416941000).

Almost surely, 2^55589796288 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 55589796288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93394784000).

55589796288 is an abundant number, since it is smaller than the sum of its proper divisors (131199771712).

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

55589796288 is a wasteful number, since it uses less digits than its factorization.

55589796288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129 (or 1113 counting only the distinct ones).

The product of its digits is 435456000, while the sum is 72.

The spelling of 55589796288 in words is "fifty-five billion, five hundred eighty-nine million, seven hundred ninety-six thousand, two hundred eighty-eight".