55406727 has 16 divisors (see below), whose sum is σ = 83432160. Its totient is φ = 36331200.

The previous prime is 55406719. The next prime is 55406731. The reversal of 55406727 is 72760455.

55406727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55406727 - 2³ = 55406719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55406691 and 55406700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55406707) 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 15 ways as a sum of consecutive naturals, for example, 15174 + ... + 18467.

It is an arithmetic number, because the mean of its divisors is an integer number (5214510).

Almost surely, 2^55406727 is an apocalyptic number.

55406727 is a deficient number, since it is larger than the sum of its proper divisors (28025433).

55406727 is a wasteful number, since it uses less digits than its factorization.

55406727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33711 (or 33705 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 55406727 is about 7443.5695066279. The cubic root of 55406727 is about 381.2303771321.

The spelling of 55406727 in words is "fifty-five million, four hundred six thousand, seven hundred twenty-seven".