55505561006112 has 192 divisors, whose sum is σ = 166937507057664. Its totient is φ = 15818690672640.

The previous prime is 55505561006107. The next prime is 55505561006173. The reversal of 55505561006112 is 21160016550555.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 582314937 + ... + 582410247.

It is an arithmetic number, because the mean of its divisors is an integer number (869466182592).

Almost surely, 2^{55505561006112} 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 55505561006112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83468753528832).

55505561006112 is an abundant number, since it is smaller than the sum of its proper divisors (111431946051552).

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

55505561006112 is a wasteful number, since it uses less digits than its factorization.

55505561006112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97511 (or 97503 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 42.

Adding to 55505561006112 its reverse (21160016550555), we get a palindrome (76665577556667).

The spelling of 55505561006112 in words is "fifty-five trillion, five hundred five billion, five hundred sixty-one million, six thousand, one hundred twelve".