55018522116 has 144 divisors (see below), whose sum is σ = 146397888000. Its totient is φ = 17398886400.

The previous prime is 55018522109. The next prime is 55018522121. The reversal of 55018522116 is 61122581055.

55018522116 is a `hidden beast` number, since 5 + 5 + 0 + 18 + 522 + 116 = 666.

It is a super-2 number, since 2×55018522116² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29563026 + ... + 29564886.

It is an arithmetic number, because the mean of its divisors is an integer number (1016652000).

Almost surely, 2^55018522116 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 55018522116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73198944000).

55018522116 is an abundant number, since it is smaller than the sum of its proper divisors (91379365884).

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

55018522116 is a wasteful number, since it uses less digits than its factorization.

55018522116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410 (or 2405 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 36.

The spelling of 55018522116 in words is "fifty-five billion, eighteen million, five hundred twenty-two thousand, one hundred sixteen".