55065727 has 4 divisors (see below), whose sum is σ = 55384200. Its totient is φ = 54747256.

The previous prime is 55065713. The next prime is 55065739. The reversal of 55065727 is 72756055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55065727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55065707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158977 + ... + 159322.

It is an arithmetic number, because the mean of its divisors is an integer number (13846050).

Almost surely, 2^55065727 is an apocalyptic number.

55065727 is a deficient number, since it is larger than the sum of its proper divisors (318473).

55065727 is a wasteful number, since it uses less digits than its factorization.

55065727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318472.

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 55065727 is about 7420.6284774270. The cubic root of 55065727 is about 380.4466746539.

The spelling of 55065727 in words is "fifty-five million, sixty-five thousand, seven hundred twenty-seven".