55090727 has 8 divisors (see below), whose sum is σ = 60867936. Its totient is φ = 49595392.

The previous prime is 55090699. The next prime is 55090741. The reversal of 55090727 is 72709055.

55090727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55090727 - 2⁶ = 55090663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55090327) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 70058 + ... + 70839.

It is an arithmetic number, because the mean of its divisors is an integer number (7608492).

Almost surely, 2^55090727 is an apocalyptic number.

55090727 is a deficient number, since it is larger than the sum of its proper divisors (5777209).

55090727 is a wasteful number, since it uses less digits than its factorization.

55090727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140937.

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 55090727 is about 7422.3127797203. The cubic root of 55090727 is about 380.5042405749.

The spelling of 55090727 in words is "fifty-five million, ninety thousand, seven hundred twenty-seven".