55711011 has 16 divisors (see below), whose sum is σ = 77220864. Its totient is φ = 35695584.

The previous prime is 55710973. The next prime is 55711013. The reversal of 55711011 is 11011755.

It is a happy number.

It is not a de Polignac number, because 55711011 - 2¹⁰ = 55709987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55711013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6190 + ... + 12236.

It is an arithmetic number, because the mean of its divisors is an integer number (4826304).

Almost surely, 2^55711011 is an apocalyptic number.

55711011 is a deficient number, since it is larger than the sum of its proper divisors (21509853).

55711011 is a wasteful number, since it uses less digits than its factorization.

55711011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6170.

The product of its (nonzero) digits is 175, while the sum is 21.

The square root of 55711011 is about 7463.9809083357. The cubic root of 55711011 is about 381.9269868588.

Adding to 55711011 its reverse (11011755), we get a palindrome (66722766).

The spelling of 55711011 in words is "fifty-five million, seven hundred eleven thousand, eleven".