55404541 has 2 divisors, whose sum is σ = 55404542. Its totient is φ = 55404540.

The previous prime is 55404527. The next prime is 55404563. The reversal of 55404541 is 14540455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55279225 + 125316 = 7435^2 + 354^2 .

It is a cyclic number.

It is not a de Polignac number, because 55404541 - 2⁹ = 55404029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55404521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27702270 + 27702271.

It is an arithmetic number, because the mean of its divisors is an integer number (27702271).

Almost surely, 2^55404541 is an apocalyptic number.

It is an amenable number.

55404541 is a deficient number, since it is larger than the sum of its proper divisors (1).

55404541 is an equidigital number, since it uses as much as digits as its factorization.

55404541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 55404541 is about 7443.4226670262. The cubic root of 55404541 is about 381.2253634174.

Adding to 55404541 its reverse (14540455), we get a palindrome (69944996).

It can be divided in two parts, 5540454 and 1, that added together give a palindrome (5540455).

The spelling of 55404541 in words is "fifty-five million, four hundred four thousand, five hundred forty-one".