55066086 has 24 divisors (see below), whose sum is σ = 119917200. Its totient is φ = 18261936.

The previous prime is 55066069. The next prime is 55066129. The reversal of 55066086 is 68066055.

It is a self number, because there is not a number n which added to its sum of digits gives 55066086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4105 + ... + 11268.

It is an arithmetic number, because the mean of its divisors is an integer number (4996550).

Almost surely, 2^55066086 is an apocalyptic number.

55066086 is an abundant number, since it is smaller than the sum of its proper divisors (64851114).

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

55066086 is a wasteful number, since it uses less digits than its factorization.

55066086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15580 (or 15577 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 55066086 is about 7420.6526667134. The cubic root of 55066086 is about 380.4475014238.

The spelling of 55066086 in words is "fifty-five million, sixty-six thousand, eighty-six".