55011109896 has 96 divisors (see below), whose sum is σ = 154344528000. Its totient is φ = 17679618432.

The previous prime is 55011109873. The next prime is 55011109919. The reversal of 55011109896 is 69890111055.

55011109896 is a `hidden beast` number, since 550 + 1 + 1 + 1 + 0 + 9 + 8 + 96 = 666.

55011109896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55011109873) and next prime (55011109919).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1482951 + ... + 1519593.

It is an arithmetic number, because the mean of its divisors is an integer number (1607755500).

Almost surely, 2^55011109896 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 55011109896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77172264000).

55011109896 is an abundant number, since it is smaller than the sum of its proper divisors (99333418104).

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

55011109896 is a wasteful number, since it uses less digits than its factorization.

55011109896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37403 (or 37396 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 45.

The spelling of 55011109896 in words is "fifty-five billion, eleven million, one hundred nine thousand, eight hundred ninety-six".