55011924 has 108 divisors (see below), whose sum is σ = 155838228. Its totient is φ = 16346880.

The previous prime is 55011911. The next prime is 55011959. The reversal of 55011924 is 42911055.

55011924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41835024 + 13176900 = 6468^2 + 3630^2 .

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 317902 + ... + 318074.

Almost surely, 2^55011924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55011924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77919114).

55011924 is an abundant number, since it is smaller than the sum of its proper divisors (100826304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55011924 is a wasteful number, since it uses less digits than its factorization.

55011924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 55011924 is about 7417.0023594441. The cubic root of 55011924 is about 380.3227267601.

Adding to 55011924 its reverse (42911055), we get a palindrome (97922979).

The spelling of 55011924 in words is "fifty-five million, eleven thousand, nine hundred twenty-four".