55727907 has 8 divisors (see below), whose sum is σ = 74760384. Its totient is φ = 36923688.

The previous prime is 55727851. The next prime is 55727911. The reversal of 55727907 is 70972755.

55727907 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 55727907 - 2¹⁵ = 55695139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55727927) 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, 56493 + ... + 57470.

It is an arithmetic number, because the mean of its divisors is an integer number (9345048).

Almost surely, 2^55727907 is an apocalyptic number.

55727907 is a deficient number, since it is larger than the sum of its proper divisors (19032477).

55727907 is a wasteful number, since it uses less digits than its factorization.

55727907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114129.

The product of its (nonzero) digits is 154350, while the sum is 42.

The square root of 55727907 is about 7465.1126582256. The cubic root of 55727907 is about 381.9655931475.

The spelling of 55727907 in words is "fifty-five million, seven hundred twenty-seven thousand, nine hundred seven".