55159104000 has 1920 divisors, whose sum is σ = 256740067584. Its totient is φ = 10321920000.

The previous prime is 55159103977. The next prime is 55159104017. The reversal of 55159104000 is 40195155.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1345343980 + ... + 1345344020.

Almost surely, 2^55159104000 is an apocalyptic number.

55159104000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55159104000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128370033792).

55159104000 is an abundant number, since it is smaller than the sum of its proper divisors (201580963584).

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

55159104000 is a wasteful number, since it uses less digits than its factorization.

55159104000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 55159104000 its reverse (40195155), we get a palindrome (55199299155).

The spelling of 55159104000 in words is "fifty-five billion, one hundred fifty-nine million, one hundred four thousand".