55066186098 has 160 divisors (see below), whose sum is σ = 155332869120. Its totient is φ = 14163711840.

The previous prime is 55066186051. The next prime is 55066186103. The reversal of 55066186098 is 89068166055.

It is a happy number.

55066186098 is a `hidden beast` number, since 550 + 6 + 6 + 1 + 86 + 0 + 9 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1263393 + ... + 1306251.

It is an arithmetic number, because the mean of its divisors is an integer number (970830432).

Almost surely, 2^55066186098 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55066186098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77666434560).

55066186098 is an abundant number, since it is smaller than the sum of its proper divisors (100266683022).

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

55066186098 is a wasteful number, since it uses less digits than its factorization.

55066186098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42994 (or 42985 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 55066186098 in words is "fifty-five billion, sixty-six million, one hundred eighty-six thousand, ninety-eight".