55311241 has 4 divisors (see below), whose sum is σ = 55431684. Its totient is φ = 55190800.

The previous prime is 55311239. The next prime is 55311253. The reversal of 55311241 is 14211355.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6869641 + 48441600 = 2621^2 + 6960^2 .

It is a cyclic number.

It is not a de Polignac number, because 55311241 - 2¹ = 55311239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55311211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59530 + ... + 60451.

It is an arithmetic number, because the mean of its divisors is an integer number (13857921).

Almost surely, 2^55311241 is an apocalyptic number.

It is an amenable number.

55311241 is a deficient number, since it is larger than the sum of its proper divisors (120443).

55311241 is a wasteful number, since it uses less digits than its factorization.

55311241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120442.

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

The square root of 55311241 is about 7437.1527481960. The cubic root of 55311241 is about 381.0112515421.

Adding to 55311241 its reverse (14211355), we get a palindrome (69522596).

The spelling of 55311241 in words is "fifty-five million, three hundred eleven thousand, two hundred forty-one".