55241047 has 2 divisors, whose sum is σ = 55241048. Its totient is φ = 55241046.

The previous prime is 55241029. The next prime is 55241059. The reversal of 55241047 is 74014255.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55241047 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 (55241077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27620523 + 27620524.

It is an arithmetic number, because the mean of its divisors is an integer number (27620524).

Almost surely, 2^55241047 is an apocalyptic number.

55241047 is a deficient number, since it is larger than the sum of its proper divisors (1).

55241047 is an equidigital number, since it uses as much as digits as its factorization.

55241047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 55241047 is about 7432.4321053071. The cubic root of 55241047 is about 380.8500062873.

The spelling of 55241047 in words is "fifty-five million, two hundred forty-one thousand, forty-seven".