53911 has 12 divisors (see below), whose sum is σ = 65880. Its totient is φ = 43680.

The previous prime is 53899. The next prime is 53917. The reversal of 53911 is 11935.

It is not a de Polignac number, because 53911 - 2⁷ = 53783 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 (53917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1845 + ... + 1873.

It is an arithmetic number, because the mean of its divisors is an integer number (5490).

2⁵³⁹¹¹ is an apocalyptic number.

53911 is a deficient number, since it is larger than the sum of its proper divisors (11969).

53911 is a wasteful number, since it uses less digits than its factorization.

53911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 53 counting only the distinct ones).

The product of its digits is 135, while the sum is 19.

The square root of 53911 is about 232.1874242934. The cubic root of 53911 is about 37.7768547128.

It can be divided in two parts, 539 and 11, that multiplied together give a square (5929 = 77²).

The spelling of 53911 in words is "fifty-three thousand, nine hundred eleven".