55243441 has 16 divisors (see below), whose sum is σ = 62088768. Its totient is φ = 48716800.

The previous prime is 55243423. The next prime is 55243453. The reversal of 55243441 is 14434255.

It is not a de Polignac number, because 55243441 - 2⁷ = 55243313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55243481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156321 + ... + 156673.

It is an arithmetic number, because the mean of its divisors is an integer number (3880548).

Almost surely, 2^55243441 is an apocalyptic number.

It is an amenable number.

55243441 is a deficient number, since it is larger than the sum of its proper divisors (6845327).

55243441 is a wasteful number, since it uses less digits than its factorization.

55243441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752.

The product of its digits is 9600, while the sum is 28.

The square root of 55243441 is about 7432.5931544785. The cubic root of 55243441 is about 380.8555078832.

Adding to 55243441 its reverse (14434255), we get a palindrome (69677696).

The spelling of 55243441 in words is "fifty-five million, two hundred forty-three thousand, four hundred forty-one".