55885711 has 4 divisors (see below), whose sum is σ = 63869392. Its totient is φ = 47902032.

The previous prime is 55885603. The next prime is 55885723. The reversal of 55885711 is 11758855.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11758855 = 5 ⋅2351771.

It is a cyclic number.

It is not a de Polignac number, because 55885711 - 2²⁵ = 22331279 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 (55885771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3991830 + ... + 3991843.

It is an arithmetic number, because the mean of its divisors is an integer number (15967348).

Almost surely, 2^55885711 is an apocalyptic number.

55885711 is a deficient number, since it is larger than the sum of its proper divisors (7983681).

55885711 is an equidigital number, since it uses as much as digits as its factorization.

55885711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7983680.

The product of its digits is 56000, while the sum is 40.

The square root of 55885711 is about 7475.6746183873. The cubic root of 55885711 is about 382.3257890653.

The spelling of 55885711 in words is "fifty-five million, eight hundred eighty-five thousand, seven hundred eleven".