55027765 has 16 divisors (see below), whose sum is σ = 72093168. Its totient is φ = 40075776.

The previous prime is 55027733. The next prime is 55027789. The reversal of 55027765 is 56772055.

55027765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 15876 + 55011889 = 126^2 + 7417^2 .

It is not a de Polignac number, because 55027765 - 2⁵ = 55027733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054 + ... + 10543.

It is an arithmetic number, because the mean of its divisors is an integer number (4505823).

Almost surely, 2^55027765 is an apocalyptic number.

It is an amenable number.

55027765 is a deficient number, since it is larger than the sum of its proper divisors (17065403).

55027765 is a wasteful number, since it uses less digits than its factorization.

55027765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11688.

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

The square root of 55027765 is about 7418.0701668291. The cubic root of 55027765 is about 380.3592286291.

The spelling of 55027765 in words is "fifty-five million, twenty-seven thousand, seven hundred sixty-five".