55131104 has 24 divisors (see below), whose sum is σ = 124045488. Its totient is φ = 23627520.

The previous prime is 55131091. The next prime is 55131127. The reversal of 55131104 is 40113155.

55131104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 122837 + ... + 123284.

It is an arithmetic number, because the mean of its divisors is an integer number (5168562).

Almost surely, 2^55131104 is an apocalyptic number.

It is an amenable number.

55131104 is an abundant number, since it is smaller than the sum of its proper divisors (68914384).

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

55131104 is a wasteful number, since it uses less digits than its factorization.

55131104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246138 (or 246130 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 55131104 is about 7425.0322558222. The cubic root of 55131104 is about 380.5971773760.

Adding to 55131104 its reverse (40113155), we get a palindrome (95244259).

The spelling of 55131104 in words is "fifty-five million, one hundred thirty-one thousand, one hundred four".