55131241 has 4 divisors (see below), whose sum is σ = 60143184. Its totient is φ = 50119300.

The previous prime is 55131229. The next prime is 55131247. The reversal of 55131241 is 14213155.

It is a happy number.

55131241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55131241 - 2¹³ = 55123049 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55131247) by changing a digit.

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, 2505955 + ... + 2505976.

It is an arithmetic number, because the mean of its divisors is an integer number (15035796).

Almost surely, 2^55131241 is an apocalyptic number.

It is an amenable number.

55131241 is a deficient number, since it is larger than the sum of its proper divisors (5011943).

55131241 is a wasteful number, since it uses less digits than its factorization.

55131241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011942.

The product of its digits is 600, while the sum is 22.

The square root of 55131241 is about 7425.0414813656. The cubic root of 55131241 is about 380.5974926353.

Adding to 55131241 its reverse (14213155), we get a palindrome (69344396).

The spelling of 55131241 in words is "fifty-five million, one hundred thirty-one thousand, two hundred forty-one".