55066116 has 96 divisors (see below), whose sum is σ = 153538560. Its totient is φ = 15033600.

The previous prime is 55066069. The next prime is 55066129. The reversal of 55066116 is 61166055.

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, 203061 + ... + 203331.

It is an arithmetic number, because the mean of its divisors is an integer number (1599360).

Almost surely, 2^55066116 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 55066116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76769280).

55066116 is an abundant number, since it is smaller than the sum of its proper divisors (98472444).

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

55066116 is a wasteful number, since it uses less digits than its factorization.

55066116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 55066116 is about 7420.6546880986. The cubic root of 55066116 is about 380.4475705131.

It can be divided in two parts, 550 and 66116, that added together give a palindrome (66666).

The spelling of 55066116 in words is "fifty-five million, sixty-six thousand, one hundred sixteen".