55091711 has 8 divisors (see below), whose sum is σ = 55695360. Its totient is φ = 54490968.

The previous prime is 55091689. The next prime is 55091737. The reversal of 55091711 is 11719055.

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

It is a cyclic number.

It is not a de Polignac number, because 55091711 - 2¹⁰ = 55090687 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 (55091791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74180 + ... + 74918.

It is an arithmetic number, because the mean of its divisors is an integer number (6961920).

Almost surely, 2^55091711 is an apocalyptic number.

55091711 is a deficient number, since it is larger than the sum of its proper divisors (603649).

55091711 is a wasteful number, since it uses less digits than its factorization.

55091711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453.

The product of its (nonzero) digits is 1575, while the sum is 29.

The square root of 55091711 is about 7422.3790660408. The cubic root of 55091711 is about 380.5065060133.

The spelling of 55091711 in words is "fifty-five million, ninety-one thousand, seven hundred eleven".