55066946 has 16 divisors (see below), whose sum is σ = 90823680. Its totient is φ = 24832080.

The previous prime is 55066937. The next prime is 55066981. The reversal of 55066946 is 64966055.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7061 + ... + 12648.

It is an arithmetic number, because the mean of its divisors is an integer number (5676480).

Almost surely, 2^55066946 is an apocalyptic number.

55066946 is a deficient number, since it is larger than the sum of its proper divisors (35756734).

55066946 is a wasteful number, since it uses less digits than its factorization.

55066946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19849.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 55066946 is about 7420.7106128726. The cubic root of 55066946 is about 380.4494819723.

The spelling of 55066946 in words is "fifty-five million, sixty-six thousand, nine hundred forty-six".